{"title":"Pool Algaecides","description":"\u003cp\u003eEliminate and prevent all types of algae with our professional-grade \u003cb data-path-to-node=\"7,0\" data-index-in-node=\"69\"\u003epool algaecides\u003c\/b\u003e. From maintenance-strength \u003cb data-path-to-node=\"7,0\" data-index-in-node=\"112\"\u003eAlgae Kil 10\u003c\/b\u003e to heavy-duty \u003cb data-path-to-node=\"7,0\" data-index-in-node=\"139\"\u003eCombat 60\u003c\/b\u003e and \u003cb data-path-to-node=\"7,0\" data-index-in-node=\"153\"\u003eCopper-based\u003c\/b\u003e formulas, Haviland DuraChlor provides the power you need to clear green, yellow, and stubborn black algae. Shop our non-foaming and non-staining treatments safe for all pool surfaces and liner types.\u003c\/p\u003e","products":[{"product_id":"durachlor-algae-kil-10-pool-algaecide-1-qt-c003006-cs20q","title":"Haviland DuraChlor Algae Kil 10 Pool Algaecide 1 Qt (C003006-CS20Q)","description":"\u003ch3 data-path-to-node=\"3,0\"\u003e📦 HAVILAND MULTIPACK SAVINGS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"3,1,0,0\"\u003e\n\u003cb data-path-to-node=\"3,1,0,0\" data-index-in-node=\"0\"\u003eBuy 2, Save 5%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,1,0\"\u003e\n\u003cb data-path-to-node=\"3,1,1,0\" data-index-in-node=\"0\"\u003eBuy 4, Save 10%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"3,2\"\u003e\u003ci data-path-to-node=\"3,2\" data-index-in-node=\"0\"\u003eKeep your pool water crystal clear all season. Add the quantities above to your cart to see your instant savings.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDuraChlor Algae Kil 10 1 qt (32 oz) (C003006-CS20Q)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003eAlkyl Dimethyl Benzyl Ammonium Chloride (Quaternary Ammonium) 10%\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\u003ch4\u003ePRODUCT FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Controls existing algae and prevents future formations\u003c\/li\u003e\n\u003cli\u003e✅ Reduces pool maintenance time and costs\u003c\/li\u003e\n\u003cli\u003e✅ pH neutral — safe for all pool types\u003c\/li\u003e\n\u003cli\u003e✅ Compatible with all sanitizing and maintenance systems\u003c\/li\u003e\n\u003cli\u003e✅ Non-foaming formula\u003c\/li\u003e\n\u003cli\u003e✅ 10% quaternary ammonium algaecide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h4\u003e\n\u003cp\u003eFor maintenance: Add 3 fl oz per 10,000 gallons weekly. For algae treatment: Add 6 fl oz per 10,000 gallons.\u003c\/p\u003e\n\u003ch4\u003eTECHNICAL SPECIFICATIONS\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C003006-CS20Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551118134\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Alkyl Dimethyl Benzyl Ammonium Chloride (Quaternary Ammonium) 10%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 1 qt (32 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201409839239,"sku":"C003006-CS20Q","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-algae-kil-10-c003006-cs20q-1qt-pool-algaecide.png?v=1773536016"},{"product_id":"durachlor-algae-kil-50-pool-algaecide-1-qt-c003007-cs20q","title":"Haviland DuraChlor Algae Kil 50 Pool Algaecide 1 Qt (C003007-CS20Q)","description":"\u003cp\u003eThe \u003cstrong\u003eDuraChlor Algae Kil 50 1 qt (32 oz) (C003007-CS20Q)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003eAlkyl Dimethyl Benzyl Ammonium Chloride (Quaternary Ammonium) 50%\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\n\u003ch4\u003ePRODUCT FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ 50% concentrated quaternary ammonium algaecide\u003c\/li\u003e\n  \u003cli\u003e✅ Effectively controls existing algae and prevents future formations\u003c\/li\u003e\n  \u003cli\u003e✅ Non-foaming formula — no surface foam\u003c\/li\u003e\n  \u003cli\u003e✅ Decreases total pool maintenance time\u003c\/li\u003e\n  \u003cli\u003e✅ pH neutral — compatible with all pool types\u003c\/li\u003e\n  \u003cli\u003e✅ Compatible with all sanitizing systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h4\u003e\n\u003cp\u003eFor maintenance: Add 1.5 fl oz per 10,000 gallons weekly. For algae treatment: Add 3 fl oz per 10,000 gallons.\u003c\/p\u003e\n\n\u003ch4\u003eTECHNICAL SPECIFICATIONS\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C003007-CS20Q\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551412638\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Alkyl Dimethyl Benzyl Ammonium Chloride (Quaternary Ammonium) 50%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 1 qt (32 oz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n  \u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n  \u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n  \u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201409970311,"sku":"C003007-CS20Q","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-algae-kil-50-c003007-cs20q-1qt-pool-algaecide.png?v=1773536036"},{"product_id":"durachlor-combat-30-pool-algaecide-1-qt-c003061-cs20q","title":"Haviland DuraChlor Combat 30 Pool Algaecide 1 Qt (C003061-CS20Q)","description":"\u003ch3 data-path-to-node=\"3,0\"\u003e📦 HAVILAND MULTIPACK SAVINGS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"3,1,0,0\"\u003e\n\u003cb data-path-to-node=\"3,1,0,0\" data-index-in-node=\"0\"\u003eBuy 2, Save 5%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,1,0\"\u003e\n\u003cb data-path-to-node=\"3,1,1,0\" data-index-in-node=\"0\"\u003eBuy 4, Save 10%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"3,2\"\u003e\u003ci data-path-to-node=\"3,2\" data-index-in-node=\"0\"\u003ePrevent algae without the foam. Add the quantities above to your cart to see your instant savings.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDuraChlor Combat 30 1 qt (32 oz) (C003061-CS20Q)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003ePoly[oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride] (Polyquat) 30%\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\u003ch3\u003ePRODUCT FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 30% polyquat algaecide — non-foaming and non-staining\u003c\/li\u003e\n\u003cli\u003e✅ Controls algae growth in pools, spas, whirlpools, and hot tubs\u003c\/li\u003e\n\u003cli\u003e✅ Compatible with chlorine and bromine sanitizing systems\u003c\/li\u003e\n\u003cli\u003e✅ pH neutral formula\u003c\/li\u003e\n\u003cli\u003e✅ Effective against green, yellow, and black algae\u003c\/li\u003e\n\u003cli\u003e✅ Easy liquid application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h3\u003e\n\u003cp\u003eFor maintenance: Add 3 fl oz per 10,000 gallons weekly. For algae treatment: Add 6 fl oz per 10,000 gallons.\u003c\/p\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C003061-CS20Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551660640\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Poly[oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride] (Polyquat) 30%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 1 qt (32 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201410068615,"sku":"C003061-CS20Q","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-combat-30-c003061-cs20q-1qt-pool-algaecide.png?v=1773537037"},{"product_id":"durachlor-combat-60-pool-algaecide-1-qt-c003062-cs20q","title":"Haviland DuraChlor Combat 60 Pool Algaecide 1 Qt (C003062-CS20Q)","description":"\u003ch3 data-path-to-node=\"3,0\"\u003e📦 HAVILAND MULTIPACK SAVINGS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"3,1,0,0\"\u003e\n\u003cb data-path-to-node=\"3,1,0,0\" data-index-in-node=\"0\"\u003eBuy 2, Save 5%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,1,0\"\u003e\n\u003cb data-path-to-node=\"3,1,1,0\" data-index-in-node=\"0\"\u003eBuy 4, Save 10%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"3,2\"\u003e\u003ci data-path-to-node=\"3,2\" data-index-in-node=\"0\"\u003eGet our strongest algae protection for less. Add the quantities above to your cart to see your instant savings.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDuraChlor Combat 60 1 qt (32 oz) (C003062-CS20Q)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003ePoly[oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride] (Polyquat) 60%\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\u003ch4\u003ePRODUCT FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 60% highly concentrated polyquat algaecide\u003c\/li\u003e\n\u003cli\u003e✅ Destroys algae and prevents future growth\u003c\/li\u003e\n\u003cli\u003e✅ Non-foaming and non-staining formula\u003c\/li\u003e\n\u003cli\u003e✅ Compatible with chlorine and bromine pools\u003c\/li\u003e\n\u003cli\u003e✅ pH neutral — safe for all pool surfaces\u003c\/li\u003e\n\u003cli\u003e✅ Effective against green, yellow, and black algae\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h4\u003e\n\u003cp\u003eFor maintenance: Add 1.5 fl oz per 10,000 gallons weekly. For algae treatment: Add 3 fl oz per 10,000 gallons.\u003c\/p\u003e\n\u003ch4\u003eTECHNICAL SPECIFICATIONS\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C003062-CS20Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551707611\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Poly[oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride] (Polyquat) 60%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 1 qt (32 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201410822279,"sku":"C003062-CS20Q","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-combat-60-c003062-cs20q-1qt-pool-algaecide.png?v=1773536072"},{"product_id":"durachlor-combat-extra-pool-algaecide-1-qt-c002909-cs20q","title":"Haviland DuraChlor Combat Extra Pool Algaecide 1 Qt (C002909-CS20Q)","description":"\u003ch3 data-path-to-node=\"3,0\"\u003e📦 HAVILAND MULTIPACK SAVINGS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"3,1,0,0\"\u003e\n\u003cb data-path-to-node=\"3,1,0,0\" data-index-in-node=\"0\"\u003eBuy 2, Save 5%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,1,0\"\u003e\n\u003cb data-path-to-node=\"3,1,1,0\" data-index-in-node=\"0\"\u003eBuy 4, Save 10%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"3,2\"\u003e\u003ci data-path-to-node=\"3,2\" data-index-in-node=\"0\"\u003eDestroy resistant algae and keep your water crystal clear. Add the quantities above to your cart to see your instant savings.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDuraChlor Combat Extra 1 qt (32 oz) (C002909-CS20Q)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003ePolymer algaecide blended with copper complex\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\u003ch4\u003ePRODUCT FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Polymer algaecide blended with copper complex for maximum efficacy\u003c\/li\u003e\n\u003cli\u003e✅ Destroys all resistant strains of algae including black algae\u003c\/li\u003e\n\u003cli\u003e✅ Non-foaming formula\u003c\/li\u003e\n\u003cli\u003e✅ pH neutral — safe for all pool types\u003c\/li\u003e\n\u003cli\u003e✅ Compatible with bromine or chlorine pools\u003c\/li\u003e\n\u003cli\u003e✅ Highly effective against stubborn and resistant algae\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h4\u003e\n\u003cp\u003eFor maintenance: Add 3 fl oz per 10,000 gallons weekly. For heavy algae growth: Add 24 fl oz per 10,000 gallons.\u003c\/p\u003e\n\u003ch4\u003eTECHNICAL SPECIFICATIONS\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C002909-CS20Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551697226\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Polymer algaecide blended with copper complex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 1 qt (32 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201425666183,"sku":"C002909-CS20Q","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-combat-extra-c002909-cs20q-1qt-pool-algaecide.png?v=1773536092"},{"product_id":"durachlor-algae-kil-cb7-4-copper-algaecide-1-qt-c007338-cs20q","title":"Haviland DuraChlor Algae Kil CB7.4 Copper Algaecide 1 Qt (C007338-CS20Q)","description":"\u003cp\u003eThe \u003cstrong\u003eDuraChlor Algae Kil CB7.4 1 qt (32 oz) (C007338-CS20Q)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003eCopper Triethanolamine Complex 7.4%\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\n\u003ch4\u003ePRODUCT FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ 7.4% copper triethanolamine complex algaecide\u003c\/li\u003e\n  \u003cli\u003e✅ Highly effective against all types of algae including black algae\u003c\/li\u003e\n  \u003cli\u003e✅ Non-staining copper formula\u003c\/li\u003e\n  \u003cli\u003e✅ Compatible with all pool sanitizing systems\u003c\/li\u003e\n  \u003cli\u003e✅ pH neutral — safe for all pool surfaces\u003c\/li\u003e\n  \u003cli\u003e✅ Prevents algae re-growth with regular maintenance doses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h4\u003e\n\u003cp\u003eFor maintenance: Add 3 fl oz per 10,000 gallons weekly. For algae treatment: Add 6 fl oz per 10,000 gallons.\u003c\/p\u003e\n\n\u003ch4\u003eTECHNICAL SPECIFICATIONS\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C007338-CS20Q\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551872555\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Copper Triethanolamine Complex 7.4%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 1 qt (32 oz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n  \u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n  \u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n  \u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201437724807,"sku":"C007338-CS20Q","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-algae-kil-cb7-4-c007338-cs20q-1qt-copper-algaecide.png?v=1773536110"},{"product_id":"durachlor-mustard-eliminator-pool-algaecide-2lb-c002835-cs20b2","title":"Haviland DuraChlor Mustard Eliminator Pool Algaecide 2 lb (C002835-CS20B2)","description":"\u003ch3 data-path-to-node=\"3,0\"\u003e📦 HAVILAND MULTIPACK SAVINGS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"3,1,0,0\"\u003e\n\u003cb data-path-to-node=\"3,1,0,0\" data-index-in-node=\"0\"\u003eBuy 2, Save 5%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,1,0\"\u003e\n\u003cb data-path-to-node=\"3,1,1,0\" data-index-in-node=\"0\"\u003eBuy 4, Save 10%\u003c\/b\u003e — Discount applies automatically in your cart!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"3,2\"\u003e\u003ci data-path-to-node=\"3,2\" data-index-in-node=\"0\"\u003eEliminate stubborn algae and save more when you stock up. Add the quantities above to your cart to see your instant savings.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDuraChlor Mustard Eliminator 2 lb (C002835-CS20B2)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003eSodium Bromide 99%\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\u003ch4\u003ePRODUCT FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 99% sodium bromide formula specifically targets yellow and mustard algae\u003c\/li\u003e\n\u003cli\u003e✅ Fast-acting — quickly dissolves and starts working immediately\u003c\/li\u003e\n\u003cli\u003e✅ Non-staining formula leaves no residue\u003c\/li\u003e\n\u003cli\u003e✅ EPA registered as an algae remover\u003c\/li\u003e\n\u003cli\u003e✅ Chlorine exciter — activates with your existing chlorine\u003c\/li\u003e\n\u003cli\u003e✅ Effective in small dosages — 4 oz per 10,000 gallons\u003c\/li\u003e\n\u003cli\u003e✅ Compatible with all pool types\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h4\u003e\n\u003cp\u003eImmediate treatment: Add 4 oz per 10,000 gallons. Weekly maintenance: Add 2 oz per 10,000 gallons. Brush affected areas before application.\u003c\/p\u003e\n\u003ch4\u003eTECHNICAL SPECIFICATIONS\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C002835-CS20B2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551709325\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Sodium Bromide 99%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 2 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Granular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201437757575,"sku":"C002835-CS20B2","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-mustard-eliminator-c002835-cs20b2-2lb-pool-algaecide.png?v=1773536142"},{"product_id":"durachlor-super-90-granular-chlorine-algaecide-2lb-c002352-cs20b2","title":"Haviland DuraChlor Super 90 Granular Chlorine Algaecide 2 lb (C002352-CS20B2)","description":"\u003cp\u003eThe \u003cstrong\u003eDuraChlor Super 90 2 lb (C002352-CS20B2)\u003c\/strong\u003e by Haviland is a professional-grade pool algaecide designed to control and eliminate algae in swimming pools and spas. Formulated with \u003cstrong\u003eTrichloroisocyanuric Acid 90% Available Chlorine\u003c\/strong\u003e, this product delivers reliable, fast-acting algae control that keeps your pool water crystal clear and reduces overall maintenance time.\u003c\/p\u003e\n\n\u003ch4\u003ePRODUCT FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ 90% available chlorine — highly concentrated for pool sanitation\u003c\/li\u003e\n  \u003cli\u003e✅ Stabilized formula protects chlorine from UV degradation\u003c\/li\u003e\n  \u003cli\u003e✅ Specifically effective for white plaster pools\u003c\/li\u003e\n  \u003cli\u003e✅ Treats black algae — tough to eliminate with standard chlorine\u003c\/li\u003e\n  \u003cli\u003e✅ Granular form for easy, even application\u003c\/li\u003e\n  \u003cli\u003e✅ Routine maintenance chlorine and algaecide in one\u003c\/li\u003e\n  \u003cli\u003e✅ Not recommended for vinyl liner pools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eDOSAGE \u0026amp; APPLICATION\u003c\/h4\u003e\n\u003cp\u003eFor routine maintenance: Add 1-2 oz per 10,000 gallons. For black algae treatment: Brush affected areas and apply directly. Do not use in vinyl liner pools.\u003c\/p\u003e\n\n\u003ch4\u003eTECHNICAL SPECIFICATIONS\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DuraChlor by Haviland Consumer Products\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C002352-CS20B2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551822130\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Trichloroisocyanuric Acid 90% Available Chlorine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Contents:\u003c\/strong\u003e 2 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Granular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaged By:\u003c\/strong\u003e Haviland Consumer Products, Inc., 421 Ann St. NW, Grand Rapids, MI 49504\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n  \u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n  \u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n  \u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44201466101895,"sku":"C002352-CS20B2","price":23.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/durachlor-super-90-c002352-cs20b2-2lb-granular-chlorine-algaecide.png?v=1773536163"},{"product_id":"frog-bam-90-day-algaecide-01-10-5060","title":"FROG BAM 90-Day Algae Preventative Algaecide - 32 oz (01-10-5060)","description":"\u003cp\u003eGenuine \u003cstrong\u003eFROG BAM\u003c\/strong\u003e 90-Day Algae Preventative Algaecide - 32 oz - part number \u003cstrong\u003e01105060\u003c\/strong\u003e. This is an authentic replacement part for FROG pool and spa systems.\u003c\/p\u003e\n\u003ch3\u003e🚩 PRO TIP\u003c\/h3\u003e\n\u003cp\u003eAlways ensure you have the correct part number before ordering. Check your existing equipment or consult the manufacturer's documentation to verify compatibility with your specific FROG model.\u003c\/p\u003e\n\u003ch3\u003ePRODUCT FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUnique formula prevents algae for 90 days guaranteed\u003c\/li\u003e\n\u003cli\u003eNo staining potential - safe for all pool surfaces\u003c\/li\u003e\n\u003cli\u003eOne bottle treats up to 15,000 gallons of water\u003c\/li\u003e\n\u003cli\u003eDesigned to be dispensed through Pool Frog Cyclers\u003c\/li\u003e\n\u003cli\u003eKeeps water clear and inviting all season long\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e BAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 01-10-5060\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 32 oz (1 Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Up to 15,000 Gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuration:\u003c\/strong\u003e 90-Day Guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"King Technology","offers":[{"title":"Default Title","offer_id":44411634745479,"sku":"01-10-5060","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/frog-bam-algaecide-90-day-preventative-01-10-5060.jpg?v=1775682205"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/collections\/durachlor-algae-kil-cb7-4-c007338-cs20q-1qt-copper-algaecide.png?v=1773579869","url":"https:\/\/alscoolpoolstore.com\/collections\/pool-algaecides.oembed","provider":"Al's Cool Pool Store","version":"1.0","type":"link"}