The Pond Digger Brand Beneficial Pond Bacteria is a dry, powdered bacteria and enzyme treatment that is scientifically blended and tested to support clear water, healthy fish, and pristine water quality. With over 1 billion colony-forming units per gram, this potent mixture is ideal for regular water conditioning and balancing. is This premium quality blend of electrolytes, enzymes, and highly concentrated pro-biotic microbes consumes build-up and sludge, uneaten fish food, fish waste, and other organic debris — all of which if unchecked can affect pond clarity, water quality, and even fish health. This concentrated water treatment is completely dissolvable to produce the best results in your pond or water garden. Intended for use with waterscapes when water temperatures are stable above 55 °F (13 °C). Use 1 teaspoon (approx. 0.2 oz) per 1000 gallons weekly.