Copper Sulfate 99% Pure "Excellent For Algae & Pond Weeds" 1/2 Lb.

Description

100% Pure Copper Sulfate
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.