Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes as well as natural enzymes specifically formulated to establish biological filtration in new aquarium set-ups and to enhance the rate of nitrification denitrification and organic waste degradation in marine and freshwater aquaria through complete nutrient remineralization. Reduces nitrates and phosphates Used the world over for more than 12 years Veterinarian Pathologist tested Supplied in a state of suspended animation for maximum longevity. Formulated utilizing extensive data compiled by microbiologists. Sizes 125ml |250ml | 500ml | 1L | 2L | 4L | 20L
