Copper Sulfate Pentahydrate Crystals - 5 Lbs.
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Copper Sulfate Pentahydrate Crystals - 5 Lbs.
Copper Sulfate Crystals (Pentahydrate) - 5 Lbs. **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.- Pond cleaner - algae, mosquito larvae
- Natural fungicide mildew
- Antiseptic - household germs
- Kill roots clogging septic tank pipes - flush down the toilet.
- Wood and canvas preservative (prevents dry rot)