Calcium Montmarillonite clay Specially formulated for pond clarity and koi health, growth and color! This premium grade koi clay will help you produce some of the healthiest and deepest colored koi! Koi clay comes from the highest quality clay deposits in the world. It is said the secret to Japanese healthy, colorful koi is the clay mud in which they are raised. Microbe-Lift Koi Clay comes from on of the highest calcium clay deposits in the world. Calcium bases clay may actually help you pond's water to produce some of the healthiest and deep colored koi you've ever raised or seen. The koi's markings will become brighter and more dominant. Benefits: Improves fish nutrition, boosts immune system and clears water Directions: Fill a bucket with pond water, add clay, mix it thoroughly, pour it back into the pond. Dosage: Approx. two tablespoons per 1000 gallons twice a week. Pond Clay 2 lbs. Container ponddepot@msn.com Copyright - All World Rights Reserved Pond bacteria, Pond Kits and Pondless Waterfall kits, Filter Pads, Underwater Pond Lights. pump replacements and pond algae control. Pond Depot provides excellent technical assistance and fast shipping for all orders. The staff at Pond Depot are highly trained and experienced in installing and maintaining ponds. We will gladly answer any questions that you have. Pond Depot your online pond superstore!