Liquid water conditioner reduces aquarium nitrate level. Use regularly for long-term reduction of aquarium nitrate. Simple way to maintain low-nitrate conditions in aquariums. Eliminate the need for complicated nitrate reactors or expensive resins. Instant Ocean Natural Nitrate Reducer is the easy solution for long-term reduction and control of aquarium nitrate levels. Patented formula promotes the natural denitrification process of converting nitrate into nitrogen gas.