{"title":"Algaecides","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"CollectionPage\",\n  \"name\": \"Pool Algaecides - Prevent \u0026 Kill Pool Algae\",\n  \"description\": \"Shop pool algaecides from trusted brands like DuraChlor, Pool Season, and Qualco. Polyquat, copper-based, and quaternary formulas to prevent and kill green, mustard, and black algae.\",\n  \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\",\n  \"mainEntity\": {\n    \"@type\": \"ItemList\",\n    \"numberOfItems\": 10,\n    \"itemListElement\": [\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 1,\n        \"name\": \"Pool Season Algae Control 60\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 2,\n        \"name\": \"DuraChlor Super 90 Trichlor Granular\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 3,\n        \"name\": \"DuraChlor Mustard Eliminator\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 4,\n        \"name\": \"DuraChlor Algae Kil Cb7 Copper\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 5,\n        \"name\": \"DuraChlor Combat Extra Algaecide\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 6,\n        \"name\": \"DuraChlor Combat 60 Polyquat\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 7,\n        \"name\": \"DuraChlor Combat 30 Polyquat\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 8,\n        \"name\": \"DuraChlor Algae Kil 50 Quat\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 9,\n        \"name\": \"DuraChlor Algae Kil 10 Quat\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      },\n      {\n        \"@type\": \"ListItem\",\n        \"position\": 10,\n        \"name\": \"Yellow Rid Clear (Qualco)\",\n        \"url\": \"https:\/\/pstpoolsupplies.com\/collections\/pool-algaecides\"\n      }\n    ]\n  },\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"lowPrice\": \"18.80\",\n    \"highPrice\": \"54.90\",\n    \"priceCurrency\": \"USD\",\n    \"offerCount\": 10,\n    \"availability\": \"https:\/\/schema.org\/InStock\"\n  }\n}\n\u003c\/script\u003e\n\n\u003ch2\u003eKeep Your Water Crystal Clear with the Right Pool Algaecide\u003c\/h2\u003e\n\n\u003cp\u003eFew things are more frustrating than pulling back your pool cover to find cloudy, green-tinged water staring back at you. Whether it is a stubborn bloom that appeared overnight or a slow buildup you have been battling all season, the right \u003cstrong\u003epool algaecide\u003c\/strong\u003e makes the difference between endless scrubbing and a sparkling, algae-free pool you can actually enjoy. Our collection brings together proven formulas from DuraChlor, Pool Season, and Qualco to help you prevent and kill pool algae before it takes over.\u003c\/p\u003e\n\n\u003ch3\u003eChoose the Right Formula for Every Type of Algae\u003c\/h3\u003e\n\n\u003cp\u003eNot all algae respond to the same treatment, which is why we carry a full range of algaecide types to match your specific situation. For routine \u003cstrong\u003ealgae prevention\u003c\/strong\u003e, our \u003cstrong\u003epolyquat algaecide\u003c\/strong\u003e options like DuraChlor Combat 60 and Combat 30 deliver powerful, non-foaming protection that works alongside your existing sanitizer without staining surfaces or leaving residue. If you are dealing with a more aggressive outbreak of green algae, a quaternary algaecide such as DuraChlor Algae Kil 50 Quat offers fast-acting control at an affordable price point. For best results, pair your algaecide with a proper \u003ca href=\"https:\/\/pstpoolsupplies.com\/collections\/pool-shocks\"\u003epool shock treatment\u003c\/a\u003e to restore water clarity quickly.\u003c\/p\u003e\n\n\u003ch3\u003eTackle Stubborn Mustard and Black Algae Head-On\u003c\/h3\u003e\n\n\u003cp\u003eMustard algae and black algae are notoriously resistant to standard chlorine levels, and they demand specialized solutions. Our \u003cstrong\u003ecopper algaecide\u003c\/strong\u003e formulas, including DuraChlor Algae Kil Cb7, use chelated copper ions to disrupt algae cell function at the source, making them especially effective against persistent strains. For yellow and mustard algae specifically, the DuraChlor Mustard Eliminator and Qualco Yellow Rid Clear are purpose-built to break through chlorine-resistant cell walls. The \u003ca href=\"https:\/\/www.cdc.gov\/healthy-swimming\/index.html\" target=\"_blank\" rel=\"noopener\"\u003eCDC's Healthy Swimming program\u003c\/a\u003e recommends maintaining balanced water chemistry alongside targeted treatments, and a quality algaecide is a critical part of that routine. Keep your \u003ca href=\"https:\/\/pstpoolsupplies.com\/collections\/pool-sanitizers\"\u003epool sanitizer\u003c\/a\u003e levels consistent to prevent rebound growth after treatment.\u003c\/p\u003e\n\n\u003ch3\u003ePrevention Is Always Easier Than the Cure\u003c\/h3\u003e\n\n\u003cp\u003eThe most effective way to \u003cstrong\u003ekill pool algae\u003c\/strong\u003e is to stop it before it starts. Adding a maintenance dose of pool algaecide weekly during peak swim season keeps your water clear and reduces the need for heavy shock treatments. As \u003ca href=\"https:\/\/www.swimuniversity.com\/pool-algae\/\" target=\"_blank\" rel=\"noopener\"\u003eSwim University's algae treatment guide\u003c\/a\u003e explains, consistent circulation, proper filtration, and a reliable algaecide work together to keep green algae, mustard algae, and black algae from ever gaining a foothold. With products ranging from approximately $18.80 to $54.90, you will find the right strength and formula for your pool size and budget.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrowse our full selection of pool algaecides below and find the right formula to keep your water clean, clear, and algae-free all season long. Your pool deserves it.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003c!-- Meta Description: Shop pool algaecides from top brands. Polyquat, copper \u0026 quat formulas to prevent and kill green, mustard \u0026 black algae. Prices from $18.80. Free shipping! --\u003e","products":[{"product_id":"pool-season-47245960-1qt-32oz-bottle-algae-control-60","title":"Pool Season 47245960 1qt 32oz Bottle Algae Control 60","description":"\u003cp\u003eNon-foaming, non-metallic 60% strength polyquat algaecide. Effective in preventing the growth of green, black, and mustard algae. Ideal for all-around use in pools with attached spas and water features. Algaecide 60 should be used on a regular basis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e60% Poly [oxyethylene (dimethylimino) ethylene-(dimethylimino) ethylene dichloride]\u003c\/li\u003e\n\u003cli\u003eConcentrated algaecide for use in swimming pools\u003c\/li\u003e\n\u003cli\u003eKills and prevents all types of algae\u003c\/li\u003e\n\u003cli\u003e6.0 - 8.0 pH Rating\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pool Season","offers":[{"title":"Default Title","offer_id":41968674701377,"sku":"PCC-HGH-50-9000","price":34.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1019788.jpg?v=1773092111"},{"product_id":"17614cor-4-lb-yellow-out-green-or-mustard-algae","title":"17614COR, 4 Lb Yellow Out, Green or Mustard Algae","description":"This Yellow Out treatment, weighing 4 lbs, is formulated for green or mustard algae. It is available as MPN 17614COR.","brand":"Biolab Inc.","offers":[{"title":"Default Title","offer_id":42278195920961,"sku":"PST-A5296","price":66.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024441.jpg?v=1773079563"},{"product_id":"1-qt-algimycin-600-60-polyquat-algaecide-glb-71108a","title":"1 Qt Algimycin 600, 60% Polyquat Algaecide, GLB, 71108A","description":"GLB 1 Qt Algimycin 600, MPN 71108A, is a 60% polyquat algaecide highly effective against various algae types. Get a comprehensive algae prevention today.","brand":"Solenis","offers":[{"title":"Default Title","offer_id":42278256738369,"sku":"PST-GL71108A","price":53.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024667.jpg?v=1773087649"},{"product_id":"17600ncm-algae-break-90-copper-base-1-quart","title":"17600NCM, Algae Break 90, Copper Base, 1 Quart","description":"This Natural Chemistry Algae Break 90 is a copper-based formula, supplied in 1 quart bottles. It is available in packs of 12, with MPN 17600NCM.","brand":"Biolab Inc.","offers":[{"title":"Default Title","offer_id":42278266568769,"sku":"PST-NC07600","price":59.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024154.jpg?v=1773081215"},{"product_id":"71104a-algimycin-2000-poly-complex-algaecide-1-quart","title":"71104A, Algimycin 2000 Poly Complex Algaecide, 1 Quart","description":"This GLB Algimycin 2000 is a poly complex algaecide, provided in 1 quart bottles. It is available with MPN 71104A.","brand":"Solenis","offers":[{"title":"Default Title","offer_id":42278273122369,"sku":"PST-GL71104A","price":64.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1023390.jpg?v=1773090744"},{"product_id":"90411skr-algae-prevention-remover-algaecide-1-quart","title":"90411SKR, Algae Prevention \u0026 Remover Algaecide, 1 Quart","description":"This Seaklear Algae Prevention \u0026amp; Remover Algaecide is supplied in 1 quart bottles. It is available in packs of 12, with MPN 90411SKR.","brand":"Biolab Inc.","offers":[{"title":"Default Title","offer_id":42278273351745,"sku":"PST-SKABQ","price":59.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1023920.jpg?v=1773083065"},{"product_id":"71100a-algae-x-30-polyquat-algaecide-1-quart","title":"71100A, Algae-X 30% Polyquat Algaecide, 1 Quart","description":"This GLB Algae-X is a 30% polyquat algaecide, supplied in 1 quart bottles. It is available as MPN 71100A.","brand":"Solenis","offers":[{"title":"Default Title","offer_id":42278307430465,"sku":"PST-GL71100A","price":58.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024707.jpg?v=1773080509"},{"product_id":"1-quart-3-month-algaecide-qualco-pool-care-a10122","title":"1 Quart 3 Month Algaecide, Qualco Pool Care, A10122","description":"This 1 Quart 3 Month Algaecide, MPN A10122, is a Qualco Pool Care product. It helps prevent algae growth in your pool for up to three months and comes in a pack of 12.","brand":"Qualco Inc","offers":[{"title":"Default Title","offer_id":42278341378113,"sku":"PST-QPC10122","price":48.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1023811.jpg?v=1773079762"},{"product_id":"1-gal-pro-series-algae-break-90-4-cs-natural-chemistry-nc20860pro","title":"1 Gal Pro Series Algae Break 90 4\/CS Natural Chemistry, NC20860PRO","description":"Product NC20860PRO: 1 GAL PRO SERIES ALGAE BREAK 90 4\/CS NATURAL CHEMISTRY","brand":"Biolab Inc.","offers":[{"title":"Default Title","offer_id":42278515638337,"sku":"PST-NC20860PRO","price":118.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024785.jpg?v=1773080515"},{"product_id":"71114a-strike-out-7-4-copper-algaecide-1-quart","title":"71114A, Strike Out 7.4% Copper Algaecide, 1 Quart","description":"This GLB Strike Out is a 7.4% copper algaecide, supplied in 1 quart bottles. It is available as MPN 71114A.","brand":"Solenis","offers":[{"title":"Default Title","offer_id":42278677676097,"sku":"PST-GL71114A","price":58.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1025015.jpg?v=1773095836"},{"product_id":"1-qt-swimtrine-plus-9-3-copper-algaecide-406103a","title":"1 Qt Swimtrine Plus 9.3% Copper Algaecide, 406103A","description":"Applied Bio's 1 Qt Swimtrine Plus, MPN 406103A, is a 9.3% copper algaecide for effective algae control. This product is available in a 12-count pack for ongoing pool maintenance.","brand":"Solenis","offers":[{"title":"Default Title","offer_id":42278807437377,"sku":"PST-AB406103A","price":61.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1022959.jpg?v=1773089256"},{"product_id":"1-qt-no-more-problems-algacide-12-cs-united-chemical-nmpc12","title":"1 Qt No More Problems Algacide 12\/CS United Chemical, NMPC12","description":"Product NMPC12: 1 QT NO MORE PROBLEMS ALGAECIDE 12\/CS UNITED CHEMICAL","brand":"Arch Chemical","offers":[{"title":"Default Title","offer_id":42278807961665,"sku":"PST-NMPC12","price":63.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024313.jpg?v=1773087975"},{"product_id":"a50627-60-non-foaming-algaecide-1-quart-qualco","title":"A50627, 60% Non Foaming Algaecide, 1 Quart, Qualco","description":"This Qualco Pool Care Algaecide is a 60% non-foaming formula, supplied in 1 quart bottles. It is available in packs of 12, with MPN A50627.","brand":"Qualco Inc","offers":[{"title":"Default Title","offer_id":42278814318657,"sku":"PST-QPC50627","price":53.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1025272.jpg?v=1773078764"},{"product_id":"1-qt-skill-it-algaecide-biodex-sk132","title":"1 Qt Skill-It Algaecide, Biodex, SK132","description":"Biodex 1 Qt Skill-It Algaecide, MPN SK132, helps control and prevent algae growth in your pool. This product comes in a 12-count pack for consistent treatment.","brand":"Bio-Dex Laboratories","offers":[{"title":"Default Title","offer_id":42278821986369,"sku":"PST-SK132","price":57.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024550.jpg?v=1773084415"},{"product_id":"1-qt-algimycin-3000-algaecide-glb-71105a","title":"1 Qt Algimycin 3000 Algaecide, GLB, 71105A","description":"GLB 1 Qt Algimycin 3000 Algaecide, MPN 71105A, is a powerful solution for controlling algae growth in pools. This product comes in a 12-count pack for convenient and consistent use.","brand":"Solenis","offers":[{"title":"Default Title","offer_id":42278847709249,"sku":"PST-GL71105A","price":62.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1024332.jpg?v=1773094127"},{"product_id":"2-lb-yellow-out-green-mustard-algae-coral-seas-17612cor","title":"Coral Seas Yellow Out, 2 lb Bottle (17612), Green and Mustard Algae Treatment","description":"\u003cstyle\u003e  .csyo2-wrap, .csyo2-wrap * { box-sizing: border-box; }  .csyo2-wrap {    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;    color: #1a1a1a;    line-height: 1.6;  }  \/* Title bar (flat, no gradient) *\/  .csyo2-title {    border-bottom: 3px solid #0066cc;    padding-bottom: 12px;    margin-bottom: 20px;  }  .csyo2-title h2 {    margin: 0;    font-size: 1.6em;    color: #0066cc;    font-weight: 700;    letter-spacing: -0.01em;  }  .csyo2-subtitle {    margin: 4px 0 0;    color: #555;    font-size: 0.95em;    font-style: italic;  }  \/* Intro *\/  .csyo2-intro {    margin: 0 0 24px;    font-size: 1em;    color: #333;  }  \/* Spec table *\/  .csyo2-spec-section { margin-bottom: 24px; }  .csyo2-spec-heading {    font-size: 0.85em;    text-transform: uppercase;    letter-spacing: 0.06em;    color: #0066cc;    font-weight: 700;    margin: 0 0 8px;  }  .csyo2-spec-table {    width: 100%;    border-collapse: collapse;    font-size: 0.95em;  }  .csyo2-spec-table tr { border-bottom: 1px solid #e8ecf3; }  .csyo2-spec-table tr:last-child { border-bottom: none; }  .csyo2-spec-table th,  .csyo2-spec-table td {    text-align: left;    padding: 8px 12px;    vertical-align: top;  }  .csyo2-spec-table th {    font-weight: 600;    color: #0066cc;    width: 42%;    background: #f7f8fc;  }  .csyo2-spec-table td { color: #1a1a1a; }  \/* FAQ (optional) *\/  .csyo2-faq { margin-bottom: 24px; }  .csyo2-faq-item {    border-bottom: 1px solid #e8ecf3;    padding: 12px 0;  }  .csyo2-faq-item:last-child { border-bottom: none; }  .csyo2-faq-q {    font-weight: 600;    color: #0066cc;    margin: 0 0 4px;    font-size: 0.98em;  }  .csyo2-faq-a { margin: 0; color: #333; font-size: 0.95em; }  \/* Footer perks line *\/  .csyo2-footer {    border-top: 1px solid #e1e6ed;    padding-top: 14px;    margin-top: 24px;    text-align: center;    color: #555;    font-size: 0.9em;  }  .csyo2-footer .csyo2-dot {    color: #0066cc;    margin: 0 8px;    font-weight: 700;  }\u003c\/style\u003e\u003cdiv class=\"csyo2-wrap\"\u003e  \u003cheader class=\"csyo2-title\"\u003e    \u003ch2\u003eCoral Seas Yellow Out, 2 lb Bottle (17612), Green and Mustard Algae Treatment\u003c\/h2\u003e    \u003cp class=\"csyo2-subtitle\"\u003eSodium bromide booster, breaks mustard algae.\u003c\/p\u003e  \u003c\/header\u003e  \u003cp class=\"csyo2-intro\"\u003eSingle \u003cstrong\u003e2 lb bottle\u003c\/strong\u003e of Coral Seas Yellow Out (MPN 17612, also distributed as 17612COR). A \u003cstrong\u003esodium bromide\u003c\/strong\u003e chlorine exciter that converts your free chlorine into hypobromous acid, the only reliable kill for \u003cstrong\u003eyellow and mustard algae\u003c\/strong\u003e that resist normal chlorine shock. Also effective against green algae blooms. Brush stubborn spots aggressively before each dose to expose the algae cell wall to the active chemistry.\u003c\/p\u003e  \u003csection class=\"csyo2-spec-section\"\u003e    \u003cdiv class=\"csyo2-spec-heading\"\u003eSpecifications\u003c\/div\u003e    \u003ctable class=\"csyo2-spec-table\"\u003e      \u003ctbody\u003e        \u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCoral Seas (Biolab)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003e17612 (also 17612COR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePST SKU\u003c\/th\u003e\n\u003ctd\u003ePST-NC07612\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBottle Size\u003c\/th\u003e\n\u003ctd\u003e2 lb, single bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActive\u003c\/th\u003e\n\u003ctd\u003eSodium bromide (EPA registered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTargets\u003c\/th\u003e\n\u003ctd\u003eGreen algae, yellow algae, mustard algae\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUsed With\u003c\/th\u003e\n\u003ctd\u003ePool shock (chlorine, the bromide converts chlorine to hypobromous acid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSanitizer Compatibility\u003c\/th\u003e\n\u003ctd\u003eChlorine, bromine, salt (works as chlorine booster)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Compatibility\u003c\/th\u003e\n\u003ctd\u003eVinyl, plaster, pebble, fiberglass\u003c\/td\u003e\n\u003c\/tr\u003e      \u003c\/tbody\u003e    \u003c\/table\u003e  \u003c\/section\u003e    \u003csection class=\"csyo2-faq\"\u003e    \u003cdiv class=\"csyo2-spec-heading\"\u003eGood to Know\u003c\/div\u003e        \u003cdiv class=\"csyo2-faq-item\"\u003e      \u003cp class=\"csyo2-faq-q\"\u003eIs this one bottle or a case of 12?\u003c\/p\u003e      \u003cp class=\"csyo2-faq-a\"\u003e\u003cstrong\u003eSingle 2 lb bottle.\u003c\/strong\u003e One bottle treats multiple algae cycles on a typical residential pool.\u003c\/p\u003e    \u003c\/div\u003e        \u003cdiv class=\"csyo2-faq-item\"\u003e      \u003cp class=\"csyo2-faq-q\"\u003eHow do I use it?\u003c\/p\u003e      \u003cp class=\"csyo2-faq-a\"\u003eBalance pH to 7.2-7.4, brush all algae spots aggressively, dose Yellow Out per label, then \u003cstrong\u003eimmediately follow with a normal chlorine shock\u003c\/strong\u003e. The bromide needs chlorine to activate. Run the filter 24 hours, vacuum dead algae out, retest chemistry.\u003c\/p\u003e    \u003c\/div\u003e      \u003c\/section\u003e    \u003cfooter class=\"csyo2-footer\"\u003e    Free Shipping\u003cspan class=\"csyo2-dot\"\u003e•\u003c\/span\u003eEPA Registered\u003cspan class=\"csyo2-dot\"\u003e•\u003c\/span\u003eShips Same Day\u003cspan class=\"csyo2-dot\"\u003e•\u003c\/span\u003eWorks in Salt Pools  \u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Biolab Inc.","offers":[{"title":"Default Title","offer_id":42278911213633,"sku":"PST-NC07612","price":30.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1023714.jpg?v=1773092776"},{"product_id":"17644cor-green-2-clean-8x4","title":"Coral Seas Green to Clean Pool Algae Remover, 4 lb Single Container (17644)","description":"\u003cstyle\u003e  .csg2c4-wrap, .csg2c4-wrap * { box-sizing: border-box; }  .csg2c4-wrap {    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;    color: #1a1a1a;    line-height: 1.6;  }  \/* Title bar (flat, no gradient) *\/  .csg2c4-title {    border-bottom: 3px solid #0066cc;    padding-bottom: 12px;    margin-bottom: 20px;  }  .csg2c4-title h2 {    margin: 0;    font-size: 1.6em;    color: #0066cc;    font-weight: 700;    letter-spacing: -0.01em;  }  .csg2c4-subtitle {    margin: 4px 0 0;    color: #555;    font-size: 0.95em;    font-style: italic;  }  \/* Intro *\/  .csg2c4-intro {    margin: 0 0 24px;    font-size: 1em;    color: #333;  }  \/* Spec table *\/  .csg2c4-spec-section { margin-bottom: 24px; }  .csg2c4-spec-heading {    font-size: 0.85em;    text-transform: uppercase;    letter-spacing: 0.06em;    color: #0066cc;    font-weight: 700;    margin: 0 0 8px;  }  .csg2c4-spec-table {    width: 100%;    border-collapse: collapse;    font-size: 0.95em;  }  .csg2c4-spec-table tr { border-bottom: 1px solid #e8ecf3; }  .csg2c4-spec-table tr:last-child { border-bottom: none; }  .csg2c4-spec-table th,  .csg2c4-spec-table td {    text-align: left;    padding: 8px 12px;    vertical-align: top;  }  .csg2c4-spec-table th {    font-weight: 600;    color: #0066cc;    width: 42%;    background: #f7f8fc;  }  .csg2c4-spec-table td { color: #1a1a1a; }  \/* FAQ (optional) *\/  .csg2c4-faq { margin-bottom: 24px; }  .csg2c4-faq-item {    border-bottom: 1px solid #e8ecf3;    padding: 12px 0;  }  .csg2c4-faq-item:last-child { border-bottom: none; }  .csg2c4-faq-q {    font-weight: 600;    color: #0066cc;    margin: 0 0 4px;    font-size: 0.98em;  }  .csg2c4-faq-a { margin: 0; color: #333; font-size: 0.95em; }  \/* Footer perks line *\/  .csg2c4-footer {    border-top: 1px solid #e1e6ed;    padding-top: 14px;    margin-top: 24px;    text-align: center;    color: #555;    font-size: 0.9em;  }  .csg2c4-footer .csg2c4-dot {    color: #0066cc;    margin: 0 8px;    font-weight: 700;  }\u003c\/style\u003e\u003cdiv class=\"csg2c4-wrap\"\u003e  \u003cheader class=\"csg2c4-title\"\u003e    \u003ch2\u003eCoral Seas Green to Clean Pool Algae Remover, 4 lb Single Container (17644)\u003c\/h2\u003e    \u003cp class=\"csg2c4-subtitle\"\u003eGreen pool to clean in 24 hours, non-metal formula.\u003c\/p\u003e  \u003c\/header\u003e  \u003cp class=\"csg2c4-intro\"\u003eSingle \u003cstrong\u003e4 lb container\u003c\/strong\u003e of Coral Seas Green to Clean (MPN 17644, also distributed as 17644COR). Non-metal pool algae remover that \u003cstrong\u003estarts working within 24 hours\u003c\/strong\u003e, dosed with a cal-hypo chlorine shock follow-up to wipe out a green pool fast. Works in \u003cstrong\u003ehigh pH (7.8+)\u003c\/strong\u003e and high cyanuric acid water where many algaecides fail, and is compatible with salt chlorine generators. Safe on all pool surfaces, kids, and pets.\u003c\/p\u003e  \u003csection class=\"csg2c4-spec-section\"\u003e    \u003cdiv class=\"csg2c4-spec-heading\"\u003eSpecifications\u003c\/div\u003e    \u003ctable class=\"csg2c4-spec-table\"\u003e      \u003ctbody\u003e        \u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCoral Seas (Biolab)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003e17644 (also 17644COR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePST SKU\u003c\/th\u003e\n\u003ctd\u003ePST-GREEN2CLEAN4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContainer Size\u003c\/th\u003e\n\u003ctd\u003e4 lb, single container\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormula\u003c\/th\u003e\n\u003ctd\u003eNon-metal (copper-free, no staining)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInitial Treatment\u003c\/th\u003e\n\u003ctd\u003e2 lb per 15,000 gallons, broadcast around perimeter and on problem spots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShock Follow-Up\u003c\/th\u003e\n\u003ctd\u003e2 lb cal-hypo shock every 12 hours x 3 doses (36 hours total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTime to Visible Results\u003c\/th\u003e\n\u003ctd\u003e24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEffective In\u003c\/th\u003e\n\u003ctd\u003eHigh pH (7.8+) and high cyanuric acid water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSanitizer Compatibility\u003c\/th\u003e\n\u003ctd\u003eChlorine, bromine, salt, mineral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Compatibility\u003c\/th\u003e\n\u003ctd\u003eVinyl, plaster, pebble, fiberglass\u003c\/td\u003e\n\u003c\/tr\u003e      \u003c\/tbody\u003e    \u003c\/table\u003e  \u003c\/section\u003e    \u003csection class=\"csg2c4-faq\"\u003e    \u003cdiv class=\"csg2c4-spec-heading\"\u003eGood to Know\u003c\/div\u003e        \u003cdiv class=\"csg2c4-faq-item\"\u003e      \u003cp class=\"csg2c4-faq-q\"\u003eIs this one container or a case of 8?\u003c\/p\u003e      \u003cp class=\"csg2c4-faq-a\"\u003e\u003cstrong\u003eSingle 4 lb container.\u003c\/strong\u003e The '8x4' note in the legacy title was supplier case-packaging shorthand (cases ship 8 bags x 4 lb each), but PST sells these as single 4 lb units. For case-of-8 wholesale pricing, contact PST directly.\u003c\/p\u003e    \u003c\/div\u003e        \u003cdiv class=\"csg2c4-faq-item\"\u003e      \u003cp class=\"csg2c4-faq-q\"\u003eWhat is the exact dosing protocol?\u003c\/p\u003e      \u003cp class=\"csg2c4-faq-a\"\u003e\u003cstrong\u003eStep 1:\u003c\/strong\u003e Balance pH to 7.2-7.4, brush all algae spots, then broadcast 2 lb of Green to Clean per 15,000 gallons (half around perimeter, half on heaviest algae). \u003cstrong\u003eStep 2:\u003c\/strong\u003e Wait 5 minutes. \u003cstrong\u003eStep 3:\u003c\/strong\u003e Add 2 lb of cal-hypo shock around the perimeter every 12 hours for 36 hours (3 total shock doses). Run the filter the entire time, vacuum dead algae out at the end.\u003c\/p\u003e    \u003c\/div\u003e        \u003cdiv class=\"csg2c4-faq-item\"\u003e      \u003cp class=\"csg2c4-faq-q\"\u003eWhy is this better than a copper-based algaecide?\u003c\/p\u003e      \u003cp class=\"csg2c4-faq-a\"\u003e\u003cstrong\u003eNo staining risk.\u003c\/strong\u003e Copper-based algaecides oxidize over time and leave green or blue stains on plaster, pebble, and vinyl. Green to Clean is \u003cstrong\u003emetal-free\u003c\/strong\u003e, so even repeat seasonal use will not plate metal onto the pool surface.\u003c\/p\u003e    \u003c\/div\u003e      \u003c\/section\u003e    \u003cfooter class=\"csg2c4-footer\"\u003e    Free Shipping\u003cspan class=\"csg2c4-dot\"\u003e•\u003c\/span\u003eNon-Metal Formula\u003cspan class=\"csg2c4-dot\"\u003e•\u003c\/span\u003eShips Same Day\u003cspan class=\"csg2c4-dot\"\u003e•\u003c\/span\u003eSalt-Safe  \u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Biolab Inc.","offers":[{"title":"Default Title","offer_id":42278923370561,"sku":"PST-GREEN2CLEAN4","price":63.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1023396.jpg?v=1773091013"},{"product_id":"2-lb-yellow-rid-clear-qualco-pool-care-a55162","title":"2 Lb Yellow Rid Clear, Qualco Pool Care, A55162","description":"Qualco Pool Care's 2 lb Yellow Rid Clear is designed to effectively eliminate yellow algae and clarify pool water. It is available in a convenient 12-count quantity for comprehensive treatment. MPN: A55162.","brand":"Qualco Inc","offers":[{"title":"Default Title","offer_id":42278942867521,"sku":"PST-QPC55162","price":58.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1023814.jpg?v=1773083190"},{"product_id":"durachlor-1-qt-algae-kil-10-quat","title":"DuraChlor 1 Qt Algae Kil 10 Quat","description":"\u003ch3\u003eDuraChlor 1 Qt Algae Kil 10 Quat\u003c\/h3\u003e\u003cp\u003eAlgae Kil products are compatible with all sanitizing and maintenance systems. Effective for preventing and eliminating algae\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eContains quaternary ammonium chloride\u003c\/li\u003e\n\u003cli\u003eNon-staining\u003c\/li\u003e\n\u003cli\u003eDecreases maintenance time\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102649409,"sku":"PST-HAV3006CS20Q","price":21.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV3006CS20Q.jpg?v=1775629654"},{"product_id":"durachlor-1-qt-algae-kil-50-quat","title":"DuraChlor 1 Qt Algae Kil 50 Quat","description":"\u003ch3\u003eDuraChlor 1 Qt Algae Kil 50 Quat\u003c\/h3\u003e\u003cp\u003eAlgae Kil products are compatible with all sanitizing and maintenance systems. Effective for preventing and eliminating algae\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eContains quaternary ammonium chloride\u003c\/li\u003e\n\u003cli\u003eNon-staining\u003c\/li\u003e\n\u003cli\u003eDecreases maintenance time\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102682177,"sku":"PST-HAV3007CS20Q","price":34.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV3007CS20Q.jpg?v=1775629654"},{"product_id":"durachlor-1-qt-combat-30-polyquat","title":"DuraChlor 1 Qt Combat 30 Polyquat","description":"\u003ch3\u003eDuraChlor 1 Qt Combat 30 Polyquat\u003c\/h3\u003e\u003cp\u003eAll Combat formulas are compatible with chlorine, bromine, and mineral sanitizers. Several concentrations to suit your market needs\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWater is noticeably more comfortable to Polyethylene-dichloride\u003c\/li\u003e\n\u003cli\u003eCombat 30 = 30% solution\u003c\/li\u003e\n\u003cli\u003eNon-foaming and Non-staining\u003c\/li\u003e\n\u003cli\u003eEffective against all types of algae pH neutral\u003c\/li\u003e\n\u003cli\u003eWorks in a wide pH range\u003c\/li\u003e\n\u003cli\u003eNot affected by high chlorine residual\u003c\/li\u003e\n\u003cli\u003eConsistent use can reduce the amount of chlorine normally required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102714945,"sku":"PST-HAV3061CS20Q","price":29.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV3061CS20Q.jpg?v=1775629655"},{"product_id":"durachlor-1-qt-combat-60-algaecide","title":"DuraChlor 1 Qt Combat 60 Algae Eliminator","description":"\u003ch3\u003eDuraChlor 1 Qt Combat 60 Algae Eliminator\u003c\/h3\u003e\u003cp\u003eAll Combat formulas are compatible with chlorine, bromine, and mineral sanitizers. Several concentrations to suit your market needs\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWater is noticeably more comfortable to Polyethylene-dichloride\u003c\/li\u003e\n\u003cli\u003eCombat 30 = 30% solution\u003c\/li\u003e\n\u003cli\u003eNon-foaming and Non-staining\u003c\/li\u003e\n\u003cli\u003eEffective against all types of algae pH neutral\u003c\/li\u003e\n\u003cli\u003eWorks in a wide pH range\u003c\/li\u003e\n\u003cli\u003eNot affected by high chlorine residual\u003c\/li\u003e\n\u003cli\u003eConsistent use can reduce the amount of chlorine normally required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102747713,"sku":"PST-HAV3062CS20Q","price":42.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV3062CS20Q.jpg?v=1775629655"},{"product_id":"durachlor-1-qt-combat-extra-algaecide","title":"DuraChlor 1 Qt Combat Extra Algaecide","description":"\u003ch3\u003eDuraChlor 1 Qt Combat Extra Algaecide\u003c\/h3\u003e\u003cp\u003eOur unique broad spectrum algaecide blend. Made with a special clarifying agent to help clear water fast\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePolymer algaecide blended with copper complex\u003c\/li\u003e\n\u003cli\u003eDestroys all resistant strains of algae\u003c\/li\u003e\n\u003cli\u003eNon-foaming\u003c\/li\u003e\n\u003cli\u003epH neutral\u003c\/li\u003e\n\u003cli\u003eCompatible with bromine or chlorine pools\u003c\/li\u003e\n\u003cli\u003eAdditional clarifiers added to speed pool recovery\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102780481,"sku":"PST-HAV2909CS20Q","price":34.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV2909CS20Q.jpg?v=1775629654"},{"product_id":"durachlor-1-qt-algae-kil-cb7-copper","title":"DuraChlor 1 Qt Algae Kil Cb7 Copper","description":"\u003ch3\u003eDuraChlor 1 Qt Algae Kil Cb7 Copper\u003c\/h3\u003e\u003cp\u003eThis algaecide provides effective prevention and control of algae growth in all types of swimming pool\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEffective against all algae and algal slime types and colors\u003c\/li\u003e\n\u003cli\u003eControls stubborn algae\u003c\/li\u003e\n\u003cli\u003eLiquid copper blend formulation\u003c\/li\u003e\n\u003cli\u003eConcentrated algaecide\u003c\/li\u003e\n\u003cli\u003eCompatible with bromine or chlorine pools\u003c\/li\u003e\n\u003cli\u003eNon-foaming\u003c\/li\u003e\n\u003cli\u003eControls algae for months\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102813249,"sku":"PST-HAV7338CS20Q","price":37.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV7338CS20Q.jpg?v=1775629654"},{"product_id":"durachlor-2-lb-mustard-eliminator","title":"DuraChlor 2 Lb Mustard Eliminator","description":"\u003ch3\u003eDuraChlor 2 Lb Mustard Eliminator\u003c\/h3\u003e\u003cp\u003eFor fast treatment of yellow and mustard algae in swimming pools\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSodium bromide\u003c\/li\u003e\n\u003cli\u003eNon-staining\u003c\/li\u003e\n\u003cli\u003eEffective against all algae\u003c\/li\u003e\n\u003cli\u003eEPA registered as an algae remover\u003c\/li\u003e\n\u003cli\u003eChlorine exciter\u003c\/li\u003e\n\u003cli\u003eSmall dosages needed\u003c\/li\u003e\n\u003cli\u003eHighly effective in pools with mustard (yellow) algae\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102846017,"sku":"PST-HAV2835CS20B2","price":41.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV2835CS20B2.jpg?v=1775629654"},{"product_id":"durachlor-2-lb-super-90-trichlor-granular","title":"DuraChlor 2 Lb Super 90 Trichlor Granular","description":"\u003ch3\u003eDuraChlor 2 Lb Super 90 Trichlor Granular\u003c\/h3\u003e\u003cp\u003eHighly concentrated, routine maintenance chlorine and algaecide\u003c\/p\u003e\u003ch4\u003eFeatures \u0026amp; Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eProvides 90% available chlorine\u003c\/li\u003e\n\u003cli\u003eBlack algae treatment\u003c\/li\u003e\n\u003cli\u003eOnly to be used in pools with surfaces that will not bleach\u003c\/li\u003e\n\u003cli\u003eStabilized\u003c\/li\u003e\n\u003cli\u003eNot recommended for use with vinyl liner pools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43749102878785,"sku":"PST-HAV2352CS20B2","price":28.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-HAV2352CS20B2.jpg?v=1775629654"},{"product_id":"green-pool-rescue","title":"DuraChlor Green Pool Rescue Kit, Shock + Algaecide + Mustard Eliminator Bundle","description":"\u003cstyle\u003e  .gprkit-wrap, .gprkit-wrap * { box-sizing: border-box; }  .gprkit-wrap {    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;    color: #1a1a1a; 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font-size: 1.05em; color: #1a1a1a; }  .gprkit-feature-card p { margin: 0; color: #444; font-size: 0.95em; }  \/* Warning *\/  .gprkit-warning {    background: #fff7e0;    border-left: 5px solid #f5a623;    border-radius: 10px;    padding: 18px 22px;    margin-bottom: 36px;  }  .gprkit-warning h4 { margin: 0 0 6px; color: #8a5b00; font-size: 1.05em; }  .gprkit-warning p { margin: 0; color: #5a3d00; font-size: 0.95em; }  \/* Spec grid *\/  .gprkit-spec-grid {    display: grid;    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));    background: #f7f8fc;    border-radius: 14px;    overflow: hidden;  }  .gprkit-spec-row {    display: flex;    justify-content: space-between;    gap: 12px;    padding: 12px 18px;    border-bottom: 1px solid #e1e6ed;    font-size: 0.95em;  }  .gprkit-spec-key { font-weight: 600; color: #0066cc; }  .gprkit-spec-val { color: #1a1a1a; text-align: right; }  \/* FAQ *\/  .gprkit-faq-card {    background: #fff;    border: 1px solid #e1e6ed;    border-radius: 10px;    padding: 18px 22px;    margin-bottom: 12px;  }  .gprkit-faq-card h4 { margin: 0 0 6px; color: #0066cc; font-size: 1.02em; }  .gprkit-faq-card p { margin: 0; color: #333; font-size: 0.95em; }  \/* CTA *\/  .gprkit-cta {    background: linear-gradient(135deg, #0080ff 0%, #e8f4fa 100%);    color: #fff;    border-radius: 14px;    padding: 32px 28px;    text-align: center;  }  .gprkit-cta h2 { font-size: 1.6em; margin: 0 0 8px; }  .gprkit-cta p { margin: 0 0 18px; font-size: 1em; opacity: 0.95; }  .gprkit-perks { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }  .gprkit-perk {    background: rgba(255,255,255,0.18);    border: 1px solid rgba(255,255,255,0.3);    padding: 6px 14px;    border-radius: 50px;    font-size: 0.88em;    font-weight: 600;  }  \/* Responsive *\/  @media (max-width: 700px) {    .gprkit-hero h1 { font-size: 1.5em; }    .gprkit-stats { grid-template-columns: repeat(2, 1fr); }  }\u003c\/style\u003e\u003cdiv class=\"gprkit-wrap\"\u003e  \u003csection class=\"gprkit-hero\"\u003e    \u003ch1\u003eDuraChlor Green Pool Rescue Kit, Shock + Algaecide + Mustard Eliminator Bundle\u003c\/h1\u003e    \u003cp class=\"gprkit-tagline\"\u003eClear a green or mustard pool in 72 hours.\u003c\/p\u003e        \u003cdiv class=\"gprkit-badges\"\u003e      \u003cspan class=\"gprkit-badge\"\u003eDuraChlor Bundle\u003c\/span\u003e\u003cspan class=\"gprkit-badge\"\u003eFree Shipping\u003c\/span\u003e\u003cspan class=\"gprkit-badge\"\u003eTreats Green, Yellow \u0026amp; Black Algae\u003c\/span\u003e\u003cspan class=\"gprkit-badge\"\u003eEPA Registered\u003c\/span\u003e    \u003c\/div\u003e      \u003c\/section\u003e  \u003cp class=\"gprkit-intro\"\u003eThe \u003cstrong\u003eDuraChlor Green Pool Rescue Kit (PST-KIT-GREEN)\u003c\/strong\u003e is the three-step chemistry pros use to bring a green, cloudy, or mustard-streaked pool back to swim-ready. You get \u003cstrong\u003etwo 1 lb bags of Quick Shock 56% dichlor\u003c\/strong\u003e for the kill, \u003cstrong\u003e1 quart of Combat 60 polymeric algaecide\u003c\/strong\u003e to prevent regrowth, and \u003cstrong\u003e2 lb of Mustard Eliminator\u003c\/strong\u003e sodium bromide booster to break through chlorine-resistant yellow algae. Everything you need, in the order you need it, for one bundle price.\u003c\/p\u003e  \u003csection class=\"gprkit-stats\"\u003e    \u003cdiv class=\"gprkit-stat\"\u003e\n\u003cdiv class=\"gprkit-stat-value\"\u003e3-Step\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat-label\"\u003eTreatment System\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat\"\u003e\n\u003cdiv class=\"gprkit-stat-value\"\u003e2 lb\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat-label\"\u003e56% Dichlor Shock\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat\"\u003e\n\u003cdiv class=\"gprkit-stat-value\"\u003e1 qt\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat-label\"\u003eCombat 60 Algaecide\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat\"\u003e\n\u003cdiv class=\"gprkit-stat-value\"\u003e2 lb\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat-label\"\u003eMustard Eliminator\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat\"\u003e\n\u003cdiv class=\"gprkit-stat-value\"\u003e10K-25K gal\u003c\/div\u003e\n\u003cdiv class=\"gprkit-stat-label\"\u003eTypical Pool Range\u003c\/div\u003e\n\u003c\/div\u003e  \u003c\/section\u003e  \u003csection class=\"gprkit-section\"\u003e    \u003ch2\u003eWhy PST Customers Pick This\u003c\/h2\u003e    \u003cdiv class=\"gprkit-feature-grid\"\u003e      \u003cdiv class=\"gprkit-feature-card\"\u003e\n\u003cdiv class=\"gprkit-emoji\"\u003e⚡\u003c\/div\u003e\n\u003ch5\u003eDouble-Dose Quick Shock\u003c\/h5\u003e\n\u003cp\u003eTwo 1 lb bags of \u003cstrong\u003eDuraChlor Quick Shock\u003c\/strong\u003e deliver \u003cstrong\u003e56% available chlorine\u003c\/strong\u003e as sodium dichloro-s-triazinetrione. Fully soluble granules sink fast and start oxidizing organics on contact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-feature-card\"\u003e\n\u003cdiv class=\"gprkit-emoji\"\u003e🧪\u003c\/div\u003e\n\u003ch5\u003eCombat 60 Polymeric Algaecide\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003e60% polymeric algaecide\u003c\/strong\u003e works across a wide pH range, is not deactivated by high chlorine, and is \u003cstrong\u003enon-foaming and non-staining\u003c\/strong\u003e. Locks down green, black, and mustard algae after the shock kill.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-feature-card\"\u003e\n\u003cdiv class=\"gprkit-emoji\"\u003e🟡\u003c\/div\u003e\n\u003ch5\u003eMustard Eliminator Booster\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eEPA-registered sodium bromide\u003c\/strong\u003e exciter that converts free chlorine into hypobromous acid, the only thing that reliably wipes out \u003cstrong\u003eyellow and mustard algae\u003c\/strong\u003e hiding in shaded corners and porous surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-feature-card\"\u003e\n\u003cdiv class=\"gprkit-emoji\"\u003e🌊\u003c\/div\u003e\n\u003ch5\u003eWorks in Any Sanitizer\u003c\/h5\u003e\n\u003cp\u003eSafe to use in chlorine, bromine, salt-generator, and mineral-system pools. The polymeric chemistry plays nicely with every popular sanitation method.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-feature-card\"\u003e\n\u003cdiv class=\"gprkit-emoji\"\u003e🛡️\u003c\/div\u003e\n\u003ch5\u003eNon-Staining Formula\u003c\/h5\u003e\n\u003cp\u003eNo copper, no metals, no surfactants that foam. Safe on vinyl liners, plaster, pebble, and fiberglass surfaces when applied per label.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-feature-card\"\u003e\n\u003cdiv class=\"gprkit-emoji\"\u003e🎯\u003c\/div\u003e\n\u003ch5\u003eBundle Pricing\u003c\/h5\u003e\n\u003cp\u003eBuying the kit costs less than picking up the three bottles individually. One SKU, one shipment, the full rescue sequence in your hands.\u003c\/p\u003e\n\u003c\/div\u003e    \u003c\/div\u003e  \u003c\/section\u003e    \u003cdiv class=\"gprkit-warning\"\u003e    \u003ch4\u003eHandling Notice\u003c\/h4\u003e    \u003cp\u003ePool chemicals are \u003cstrong\u003eoxidizers and irritants\u003c\/strong\u003e. Always add chemicals to water, never water to chemicals. Wear gloves and eye protection. Store the dichlor shock in a cool, dry place away from acid, calcium hypochlorite, and any organic material. \u003cstrong\u003eRead each product label\u003c\/strong\u003e before dosing. All chemical sales are final.\u003c\/p\u003e  \u003c\/div\u003e    \u003csection class=\"gprkit-section\"\u003e    \u003ch2\u003eSpecifications\u003c\/h2\u003e    \u003cdiv class=\"gprkit-spec-grid\"\u003e      \u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eKit SKU\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003ePST-KIT-GREEN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eManufacturer\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003eDuraChlor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eQuick Shock (Qty 2)\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003e1 lb each, MPN C002282-CS20P5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eQuick Shock Active\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003e56% Sodium Dichloro-s-Triazinetrione\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eCombat 60 (Qty 1)\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003e1 quart, MPN C003062-CS20Q\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eCombat 60 Active\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003e60% Polymeric Algaecide (Poly[oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride])\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eMustard Eliminator (Qty 1)\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003e2 lb, MPN C002835-CS20B2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eMustard Eliminator Active\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003eSodium Bromide, EPA registered\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eSanitizer Compatibility\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003eChlorine, bromine, salt, mineral\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eSurface Compatibility\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003eVinyl, plaster, pebble, fiberglass\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003epH Impact\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003eQuick Shock slightly acidic; Combat 60 and Mustard Eliminator pH neutral\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eTypical Pool Size\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003e10,000 to 25,000 gallons per kit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eShipping\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003eShips from Bloomfield, CT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gprkit-spec-row\"\u003e\n\u003cspan class=\"gprkit-spec-key\"\u003eReturn Policy\u003c\/span\u003e\u003cspan class=\"gprkit-spec-val\"\u003eNon-returnable, all chemical sales final\u003c\/span\u003e\n\u003c\/div\u003e    \u003c\/div\u003e  \u003c\/section\u003e    \u003csection class=\"gprkit-section\"\u003e    \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e        \u003cdiv class=\"gprkit-faq-card\"\u003e      \u003ch4\u003eWhat order do I add these chemicals?\u003c\/h4\u003e      \u003cp\u003eStart by \u003cstrong\u003ebalancing pH to 7.2-7.4\u003c\/strong\u003e and brushing the pool. \u003cstrong\u003eStep 1:\u003c\/strong\u003e broadcast both bags of Quick Shock around the perimeter with the pump running. \u003cstrong\u003eStep 2:\u003c\/strong\u003e after the chlorine has been circulating for at least 4 hours, add the 2 lb Mustard Eliminator (especially if you see yellow algae). \u003cstrong\u003eStep 3:\u003c\/strong\u003e 24 hours later, once free chlorine drops below 3 ppm, pour in the 1 qt Combat 60 algaecide as a preventive finish. Brush daily and run the filter 24\/7 until the water clears.\u003c\/p\u003e    \u003c\/div\u003e        \u003cdiv class=\"gprkit-faq-card\"\u003e      \u003ch4\u003eWhat size pool does this kit treat?\u003c\/h4\u003e      \u003cp\u003eThe kit is sized for \u003cstrong\u003e10,000 to 25,000 gallon\u003c\/strong\u003e residential pools. For a heavily-infested pool under 15,000 gallons, this is a full rescue dose. For pools over 25,000 gallons, double the kit. For pools under 10,000 gallons (most above ground), one kit will cover several recovery cycles.\u003c\/p\u003e    \u003c\/div\u003e        \u003cdiv class=\"gprkit-faq-card\"\u003e      \u003ch4\u003eWhen is it safe to swim again?\u003c\/h4\u003e      \u003cp\u003eWait until the \u003cstrong\u003efree chlorine is between 1 and 4 ppm\u003c\/strong\u003e and the water is clear enough to see the main drain. That is typically 24 to 48 hours after the shock dose and 15 minutes after the algaecide finishes circulating. Always confirm with a fresh test strip or drop-titration kit.\u003c\/p\u003e    \u003c\/div\u003e        \u003cdiv class=\"gprkit-faq-card\"\u003e      \u003ch4\u003eCan I use this in a salt water pool?\u003c\/h4\u003e      \u003cp\u003eYes. All three products are \u003cstrong\u003ecompatible with salt chlorine generators\u003c\/strong\u003e. The Quick Shock supplements the cell during a heavy algae bloom when the SWG cannot keep up, and the Combat 60 and Mustard Eliminator do not interfere with cell operation.\u003c\/p\u003e    \u003c\/div\u003e        \u003cdiv class=\"gprkit-faq-card\"\u003e      \u003ch4\u003eWhy is mustard algae harder to kill than green algae?\u003c\/h4\u003e      \u003cp\u003eMustard (yellow) algae has a \u003cstrong\u003eprotective coating that resists free chlorine alone\u003c\/strong\u003e. That is why the kit includes Sodium Bromide, it converts your chlorine into hypobromous acid which penetrates the coating. Brush stubborn yellow spots aggressively before each dose so the chemistry reaches the cell wall.\u003c\/p\u003e    \u003c\/div\u003e  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"DuraChlor","offers":[{"title":"Default Title","offer_id":43961347670081,"sku":"PST-KIT-GREEN","price":79.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/green-pool-rescue-bundle.jpg?v=1779408540"}],"url":"https:\/\/www.pstpoolsupplies.com\/collections\/pool-algaecides.oembed?page=2","provider":"PST Pool Supplies","version":"1.0","type":"link"}