ULTIMATE KOI CLAY
100% all natural bentonite clay - naturally occuring hydrated aluminosillicate of sodium calcium magnesium and iron. Ideally suited for recirculating koi and garden ponds. Enhances the production of enzymes in all living organisms, improves water quality, and removes toxins from pond water. Beneficial to fish: colors will be more vivid and the white brighter, increased appetite and vigor. Beneficial to plants: improves the nutrition by adding minerals that are lacking in garden soils and improves disease- resistance of plants. Dissolves well - can be added to pond water, fish food or potting soil. A 6 pound box can treat a 5,000 gallon pond for up to 1 year.