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5 Lbs. Copper Sulfate Pentahydrate 99.9% Crystals Fine Grade
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Copper 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 preservative (prevents dry rot),
...or simply grow lovely blue crystals.
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