{"product_id":"crystal-blue-copper-sulfate-algaecide-5-lb-granular-algae-control-for-large-ponds","title":"Crystal Blue Copper Sulfate Algaecide - 5 lb Granular Algae Control for Large Ponds","description":"\u003ch2\u003eCrystal Blue Copper Sulfate Algaecide for Large Ponds\u003c\/h2\u003e\n\u003cp\u003eCrystal Blue Copper Sulfate Algaecide is a granular, aquatic-grade treatment designed for larger water bodies. It contains 99% copper sulfate pentahydrate and arrives in a convenient 5 lb bag, ready for larger algae-control tasks. This formulation targets actively growing algae and is best suited for water temperatures above 60°F. It is not designed for small decorative ponds, water features, or residential pools.\u003c\/p\u003e\n\u003ch3\u003eWhen and how to use\u003c\/h3\u003e\n\u003cp\u003eIn real-world ponds, algae blooms often respond to targeted treatments when conditions are right. This product works best when algae are actively growing and sunlit; applying it to noticeable mats can help contact the growth where it concentrates. Expect gradual changes rather than instantaneous results, and plan applications in portions to keep oxygen levels balanced for aquatic life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse on actively growing algae when water temperature is above 60°F.\u003c\/li\u003e\n  \u003cli\u003eBest applied on top of thick floating algae mats; treat in sections to control coverage.\u003c\/li\u003e\n  \u003cli\u003eAvoid applying too much at once to help prevent rapid oxygen depletion for fish.\u003c\/li\u003e\n  \u003cli\u003eGranular Copper Sulfate, 5 lbs, designed for larger water bodies.\u003c\/li\u003e\n  \u003cli\u003eDo not use in waters that include koi, goldfish, trout, or grass carp.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical tips and safety\u003c\/h3\u003e\n\u003cp\u003ePlan treatments around regular pond activity and aeration. After application, monitor algae response and keep an eye on water clarity and oxygen levels. Store the product in a cool, dry place and follow all label directions for safe handling.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect in the field\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePotential reduction of visible algae mats and filamentous growth over time with follow-up applications as needed.\u003c\/li\u003e\n  \u003cli\u003eSuitable as part of a broader, long-term algae management plan for larger ponds.\u003c\/li\u003e\n  \u003cli\u003eHandle and apply with care to minimize impact on non-target plants and wildlife.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Crystal Blue Copper Sulfate Algaecide safe for fish in my pond?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not for ponds with koi, goldfish, trout, or grass carp; follow label directions and apply gradually to protect aquatic life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What should I know about applying this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for large water bodies; use on actively growing algae when water is above 60F; avoid treating more than planned at once.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Crystal Blue","offers":[{"title":"Default Title","offer_id":45798424903866,"sku":"B000RUN0T6","price":99.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/crystal-blue-copper-sulfate-algaecide-bag-5lb.jpg?v=1776895463","url":"https:\/\/gardencanada.ca\/products\/crystal-blue-copper-sulfate-algaecide-5-lb-granular-algae-control-for-large-ponds","provider":"Garden Canada","version":"1.0","type":"link"}