All salt water aquarists will know about nitrate, or at least I hope so. Nitrate (NO3) is a product of the nitrogen cycle, and follows on from Ammonia/Ammonium (NH3/NH4) and Nitrite (NO2). The full nitrogen cycle will lead to nitrogen gas which is removed by gas exchange at air/water interfaces.
Salt water livestock are generally affected by different levels of nitrate. I say generally because both fish and corals, also shrimps etc, have varying degrees of tolerance.Read more →