Pond Colorant is an organic colorant the safely and instantly when added directly to the water and gives a pleasing aqua-blue coloration. Safe for all decorative fish and plants. 100% organic formula that has NO toxic residue. This coloration will filter out sunlight that feeds undesirable algae and underwater aquatic weeds. For use in water garden pools or tub gardens. This 32 ounce bottle will treat 15,000 gallons of water.
