The API® AMMONIA TEST KIT measures ammonia to help prevent fish loss, as ammonia is the number one stressor and killer of tropical fish. Ammonia is re..
The API® FRESHWATER MASTER TEST KIT measures the 4 most important levels in freshwater aquariums quickly and accurately, including pH, high range pH, ..
The API® HIGH RANGE pH TEST KIT measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API HIGH RA..
High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water quality and an increase in algae..
Nitrite is produced in the aquarium in the forms of fish waste, uneaten food, and by nitrifying bacteria in your aquarium’s natural cycle as it breaks..
The API® pH TEST KIT monitors pH to maintain healthy freshwater conditions in your tank. pH control is imperative to prevent the harmful effects of ov..