Weco Pond-Clear Keeps Pond Water Clear and Beautiful 10 Pound Bag
 
Keeps fish pool clear and beautiful
Absolutely harmless to fish and plants
Permits spawning and raising of young fishes
 
Dosage: Use 1 lb Pond-Clear for every 40 gallons of water, or.
5 lbs - 4' x 6' x 1.25' Deep
10 lbs - 6' x 7' x 1.5' Deep
25 lbs - 7' x 10' x 2' Deep