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Nitrite (N02) Test Kit - Salifert
Salifert$14.99Features:Nitrite is a substance that is toxic to fish and invertebrates.It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) that nitrite has vanished.Many nitrite test kits suffer from interference by amines (such as... -
Nitrite (NO2) Test Kit - Elos
ELOS$21.99Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.)... -
Nitrite Liquid Test Kit (Up to 180 Tests) - Fritz Aquatics
Fritz Aquatics$11.99Easy to Read Instructions Essential for New Tank Cycling Works in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrite Nitrite is produced continually during the ammonia cycle by nitrifying bacteria in the biological filter... -
Nitrite Test Kit (100 Tests) - ASF
ASF$14.09Nitrite test kit for both freshwater and marine aquariums. About 100 tests, measures up to 1 mg/L Easy to use, high quality, European-made.