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Organic, nitrogen-containing substances in the aquarium, such as fish waste and uneaten f..
Nutrafin’s Nitrite Test (0.0 - 3.3 mg/L) measures the nitrite levels in fresh or saltwater aquariums..
Tetra Aquarium Test Strips work quickly to provide accurate results and help you to treat your aquar..
Tetra Test GH Measures overall hardness reliably and precisely Suitable for all freshwater an..
Tetra Test KH to the reliable and exact determination of the KH value (carbonate hardness) in fresh ..