Microbe-Lift Bio Black Pond Enzymes and Colorant - 16 oz.

Bio-Black™ is specially formulated to safely color lakes, lagoons, decorative ponds and fountains black; blocking out specific light rays and creating an attractive, reflective, mirror-like finish. Mixes completely in hours. Formula contains enzymes to help create a healthy pond environment by digesting organic waste and reducing obnoxious odors. Will not stain birds, fish, rocks or most concrete fountains once diluted. Safe for humans, plants and aquatic life. Application rate: 1 oz. per 500 gallons of water.