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product sheet

Copper Sulfate
Pentahydrate Sapphire Crystals

copper sulfate


Old Bridge Minerals, Inc.
554 Waterworks Rd.
Old Bridge, New Jersey 08857

Typical Analysis

Common Name: Copper Sulfate Pentahydrate (CuSO4 – 5H20) Sapphire Crystals
Copper (Cu): 25.2% minimum
Cu Sulfate Pentahydrate: 99% minimum
Lead (Pb): 50 ppm maximum
Iron (Fe): 250 ppm maximum
Zinc (Zn): 250 ppm maximum
Nickel (Ni): 100 ppm maximum
Cadmium (Cd): 2 ppm maximum
Arsenic (As): 2 ppm maximum
Chromium (Cr): 5 ppm maximum
Antimony (Sb): 5 ppm maximum

Available Crystal Sizes

copper sulfate pentahydrate sapphire crystals

2.0 mm – 5.0 mm

copper sulfate

5.0 mm – 8.0 mm

copper sulfate

8.0+ mm


ppm – parts per million


OB’s Copper Sulfate Pentahydrate Sapphire Crystals are especially useful in applications where a larger crystal size is desired. It is especially useful in certain aquaculture applications.

Copper Sulfate Pentahydrate Sapphire Crystals can be used to destroy algae in water supplies. It controls tadpole shrimp in flooded rice fields and can be used as a sewer treatment to destroy roots.

OB’s Copper Sulfate Pentahydrate Sapphire Crystals are NSF approved and have the appropriate US EPA Registrations and licenses.