Freshwater Test Kits

With scientific accuracy for professional results, the reusable FRESHWATER MASTER TEST KIT comes with 4 glass test tubes with snap-tight caps and a...

API Liquid GH & KH Test Kit When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water sh...

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 i...

API Liquid Nitrate Test Kit High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water q...

The API KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent invisible water pr...