1 lb. - Copper Sulfate Pentahydrate 99% Pure Powder

Description

99+% Pure Copper Sulfate Pentahydrate - Fine Grade Powder
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.