Microbe- Lift Koi Clay (Calcium Montomorillonite Clay) specially formulated for pond clarity and Koi health, growth and color. Clay used in ponds improves fish nutrition, fish immunity. 2 TBSP/500 gal The minerals contained in Koi Clay are beneficial to all living things. They benefit your plants and fish, as well as the bacteria living in your filters. Koi Clay will remove toxins (heavy metals, free radicals, and pesticides). It literally attracts these elements like a magnet and then sucks them up like a sponge. This improves water quality and clarity. Koi Clay can be sprinkled on moistened fish food pellets or added to homemade paste foods. Feeding koi and goldfish calcium bentonite clay aids in their digestion as well as removing toxins from their bodies. Within two or three weeks you will see an improvement in your water as well as the skin quality of your koi and goldfish. Their colors will be more vivid, and their white will be brighter. How to use CMC Use one level tablespoon for each 1,000 gallons of water every other day for the first two weeks. Beginning the third week only dose one or two days per week. You can dissolve koi clay into a container of pond water and pour it evenly around the pond, or make it into a mud ball and lay in a gently flowing stream so it dissolves slowly.