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API Nitrate Test Kit
API Phosphate Test Kit
API Ammonia Test Kit
API GH & KH Test Kit
API Nitrite Test Kit
API pH Test Kit
API KH Test Kit
API Copper Test Kit
API Calcium Test Kit
API 5-in-1 Test Strips (100 Strips)
API Ammonia Test Strips (25)
API pH Test Strip (Out of stock)
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NITRITE TEST KIT 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 down ammonia. Low levels of nitrite inhibit respiration and suppress the immune system, while high levels cause suffocation in fish.