Amazon.com: Camide Copper Sulfate Fine Crystals 50lb Bag - EPA 99% Pure : Industrial & Scientific
Copper Sulfate Pentahydrate Powder - Seed Barn
Copper Sulfate Sulphate Pentahydrate - fine Blue Powder | eBay
Cupric sulfate in glass bowl, isolated on white background. Bright blue copper sulfate CuSO4, also blue vitriol or bluestone. Salt, used in swimming pools, fireworks and in schools to grow crystals. Stock