An easy to use, biodegradable filter media for the effective removal of nitrates and phosphates For the most natural environment in the reef aquarium it is important to pay close attention to the mineral and nutrient content. Naturally low nitrate and phosphate levels are what allow corals to show their brightest and most vibrant colors while also be able to grow vigorously. NP-BACTO-PELLETS is an easy-to-use filter media for the effective removal of nitrate and phosphate. It is made from a mixture of natural biopolymers, which promote the colonization and growth of nitrate and phosphate removing bacteria as well as other aerobic microorganisms. This valuable biomass is then made available as a food source for filter feeders or can be skimmed off.