Marines

SeaTest NO2 Uneaten food, fish waste and other organic nitrogen containing compounds are broken down by bacteria into ammonia and in a further step...

SeaTest NH4Ammonia (NH3) and ammonium (NH4+) are substances which should be converted rapidly into nitrite followed by nitrate, called cycling or n...

SeaTest KHBicarbonates (KH) buffer the water against pH changes. But via biological processes in the water the KH value and the pH value can change...

SeaTest GH The total hardness or GH value indicates the amount of dissolved magnesium and calcium salts in the water. These salts are directly resp...