{"product_id":"copper-sulfate-pentahydrate-crystals-25-2-cu-5-pounds","title":"Copper Sulfate Pentahydrate Crystals - 25.2% Cu, 5 Pounds","description":"\u003cp\u003eIn this review the product is judged as a straightforward, bulk chemical for hobbyists and small-scale users. The Copper Sulfate Pentahydrate crystals arrive as crystalline granules and are most useful for crystal growing projects and general laboratory or garden tasks where copper sulfate is appropriate. The single biggest reason to buy is the combination of a clear chemical identity, substantial 5 pound quantity, and value: buyers get high-purity CuSO45H2O crystals in a resealable, safety-sealed bag that keeps the contents fresh and easy to handle.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Structure:\u003c\/strong\u003e The product is labeled as CuSO45H2O so users know they are getting the pentahydrate form commonly used in experiments and gardening tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Form:\u003c\/strong\u003e The crystals are supplied in a crystalline form that works well for visual crystal growing and controlled dissolution in solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged for Freshness:\u003c\/strong\u003e The 5 pound supply is shipped in a resealable bag with a tear-off tab to maintain safety and preserve the material between uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Quantity:\u003c\/strong\u003e Five pounds provides enough material for multiple experiments, garden treatments, or extended hobby projects without frequent repurchasing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Labeling:\u003c\/strong\u003e The listing specifies 25.2% Cu which helps users estimate concentration and plan measurements for solutions or treatments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at hobby chemists, educators, and gardeners who need a reliable bulk supply of copper sulfate pentahydrate for crystal growth, classroom demonstrations, water treatment experiments, or certain lawn and garden tasks. Its crystal form and explicit CuSO45H2O identity make it suitable for anyone who wants reproducible results with a known salt.\u003c\/p\u003e\n\u003cp\u003eIt is not for users who need finished applicator kits, detailed usage instructions, or user-specific dilution guidance; the seller does not provide application directions. Anyone requiring labeled consumer formulations or pre-measured doses should look for specialized garden or pool products instead.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEffective crystalline CuSO45H2O that reviewers describe as working well for algaecide solutions and producing clear water.\u003c\/li\u003e\n\u003cli\u003eGood value for the quantity; customers report it is economical for repeated use.\u003c\/li\u003e\n\u003cli\u003eResealable, safety-sealed bag with tear-off tab preserves freshness and simplifies storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeller does not include specific usage instructions, so beginners must rely on external guidance for safe handling and correct dilution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eCopper Sulfate Pentahydrate - Crystals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula\u003c\/td\u003e\n\u003ctd\u003eCuSO45H2O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCopper content\u003c\/td\u003e\n\u003ctd\u003e25.2% Cu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm\u003c\/td\u003e\n\u003ctd\u003eCrystals (see product image)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e5 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eResealable safety-sealed bag with tear-off tab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis 5 pound bag of \u003cstrong\u003ecopper sulfate pentahydrate\u003c\/strong\u003e is a solid choice for hobbyists, educators, and gardeners who need a clear, crystalline bulk supply. It offers good value and practical packaging that keeps crystals fresh, but buyers should be prepared to consult external resources for safe handling and proper dosing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the chemical form?\u003c\/strong\u003e\u003cbr\u003eThe product is CuSO45H2O, the pentahydrate crystalline form of copper sulfate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is it packaged?\u003c\/strong\u003e\u003cbr\u003eIt ships in a resealable, safety-sealed bag with a tear-off tab for easy opening and storage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the seller provide usage instructions?\u003c\/strong\u003e\u003cbr\u003eNo, the listing does not include specific use or dilution instructions; users should follow external safety guidance.\u003c\/p\u003e","brand":"Alpha Chemicals","offers":[{"title":"Default Title","offer_id":48232890630363,"sku":"B00KDH7G8O","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41d_tFjIE8L.jpg?v=1770910755","url":"https:\/\/gearmusthave.com\/products\/copper-sulfate-pentahydrate-crystals-25-2-cu-5-pounds","provider":"GearMustHave","version":"1.0","type":"link"}