iDrain Copper Sulfate Crystals 1 lb – 99% Pure Copper Sulfate Powder Pentahydrate – Industrial Grade Cupric Sulfate/Blue Vitriol for Electroplating, Etching, Patina & Lab Use – Resealable Pouch

iDrain Copper Sulfate Crystals 1 lb – 99% Pure Copper Sulfate Powder Pentahydrate – Industrial Grade Cupric Sulfate/Blue Vitriol for Electroplating, Etching, Patina & Lab Use – Resealable Pouch

• 99% PURE COPPER SULFATE PENTAHYDRATE – Industrial-grade cupric sulfate / blue vitriol (CAS 7758-99-8), >99% purity, 25.2% copper content. Certificate of Analysis available.
• FINE CRYSTALS DISSOLVE FAST – Small, uniform fine-grade crystals dissolve readily for solutions and plating baths. (Fine grade for dissolving — not large display crystals.)
• ELECTROPLATING & METAL FINISHING – For copper electroplating, metal etching, patina effects, and surface treatment.
• CRYSTAL SCIENCE & CLASSROOM READY – A favorite for crystal-growing projects, electrochemistry demonstrations, and school science labs. Fine crystals dissolve quickly into brilliant blue solutions for consistent, repeatable results
• RESEALABLE POUCH + CERTIFICATE OF ANALYSIS – Heavy-duty zip pouch keeps crystals dry and free-flowing between uses — no clumping, no transferring to your own container. Batch CoA available on request. U.S.-based seller support.