Ebiken Kou Yin (powder)
Kou Yin, is a high quality old sea mud for shrimp tanks. This specific product is in powder form and can be used during the setup of a new tank or maintenance of a tank. It helps increase beneficial bacteria, bacterial activity, deodorize water, helps stabilize water, and improves water quality by removing toxins.
Use: When used for initial tank setups, sprinkle a thin layer before laying substrate. Half a spoonful every 10 gallons of water changed is more than sufficient. Keep in mind it is a powder and will dissolve quickly and raise TDS.