100% natural deposit derived from the cleanest waters of the Pacific- from Fiji. It is perfect as a buffer to enhance microbiology in saltwater aquariums. Biological stabilization is a key element in the culture of corals. By using the AF Life Source corals have access to components and minerals derived from the natural environment. The product is also an excellent complement an Algue refugium and DSB. We recommend that you use it a minimum of once a week, adding 10ml/100L (27 US gal) aquarium. To ensure that corals permanent access to the minerals dose in a high flow water, it contains valuable minerals and nutrients are permanently released into the aquarium. (The water will become cloudy this is normal).