Microbe Lift Ecological Labratories Calcium Montmorillonite Clay 6 lb

100% natural formulation for pond clarity & Koi health, growth & color. It is said the secret to healthy, colorful, Japanese Koi is the clay mud in which they are raised. MICROBE-LIFT/CMC comes from one of the highest calcium clay deposits in the world. Calcium based clay may help your pond 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 dominate.