Pond & aquarium Maintain 40/60 14 oz. | Improve Water Health | Bio-Pure Pond & Aquarium Maintain 40/60 14 oz. is Proprietary Microbial Cleaning (24/7) working in aerobic and anaerobic conditions. All-natural microbes (multi-species), carriers, nutrients, specialized enzymes. Furthermore, one microbe becomes 9 - 10 million waste digesting microbes in 24 hours, absolutely safe for fish. Moreover, this...