PlayStation 4 Games
Hong Kong Version Blu-Rays
Hong Kong Version DVDs
US & UK Version Blu-Rays
Product: Profi Ammonia (NH4) Test Kit
approx. 50 tests
Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.
If this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as they should.