CrystalClear PondTint Blue is a non-toxic water garden pond dye designed to help keep water sparkling clean and cool. Shaded pond water naturally stays clearer than pond water in full sun. For ponds that don't have significant plant coverage in the hot summer months to reduce algae growth. PondTint Blue tints the water a brilliant blue. 1 ounce treats up to 1,000 gallons wear gloves when applying as needed. Twelve (16 ounce) bottles included.
One ounce (30ml) per 1,000 gallons of pond water. Double dosage upon first application.