5 Lbs. Copper Sulfate Pentahydrate 99.9% Crystals Fine Grade

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5 Lbs. Copper Sulfate Pentahydrate 99.9% Crystals Fine GradeCopper Sulfate Crystal Pentahydrate Fine Grade 99+% Pure Copper Sulfate Powder Made in The USA from the Highest Grade Material. A versatile farm chemical: Pest control snails and slugs Pond cleaner algae, mosquito larvae Natural fungicide mildew Antiseptic household germs Organic Bordeaux mix blight, apple scab, leaf curl, etc.); Remove old tree stumps (bore a hole and insert Kill roots clogging septic tank pipes flush down the toilet. Wood and canvas

A versatile farm chemical:

Antiseptic - household germs

mosquito larvae

Copper Sulfate Crystal Pentahydrate - Fine Grade

Pond cleaner - algae

99+% Pure Copper Sulfate Powder Made in The USA from the Highest Grade Material

Organic Bordeaux mix - blight

or simply grow lovely blue crystals

apple scab

Natural fungicide mildew

Wood and canvas preservative (prevents dry rot)

Pest control - snails and slugs