Dymax Instant Bactereum breaks down organic waste; eliminates ammonia; removes nitrite and nitrate; detoxifies the water and provides water clarity. Instant Bactereum effectively and rapidly establishes biological system in the aquarium filtration. It is a beneficial bacteria formulated specifically to establish biological filtration not only in new aquarium set-ups but also to enhance the rate of nitrification; denitrification and organic waste degradation in the aquaria through complete nutrient remineralization. This product is highly efficient even for big fish keeping; over crowding or high bio load keeping. It can rapidly breakdown organic waste; remove ammonia; nitrite; nitrate and organic carbon in all eco systems; thereby providing good water clarity and quality for the aquaria. Directions: Add 10ml (1 capful) of solution to every 60L of water. Dissolve with water before adding directly into the aquarium. Use for both freshwater and marine aquarium. Use weekly after every water change. Shake well before use.