API Nitrite Test Kit 180-Test Freshwater And Saltwater Aquarium Test Kit Outdoor Lawn The first ingredient is tender

The first ingredient is tender duck

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Chicken Meal (Source of Glucosamine and Chondroitin Sulfate)

Natural essential oils are volatile and evaporate more quickly than synthetic chemicals

API Nitrite Test Kit 180-Test Freshwater And Saltwater Aquarium Test Kit Outdoor Lawn The first ingredient is tenderKeep your fish healthy and thriving by testing your aquarium water's NO2 levels regularly with this easy to use API NITRITE TEST KIT for freshwater and saltwater aquariums. Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. Nitrite is produced in the aquarium by fish waste and uneaten fish food. Low levels of nitrite inhibit respiration and suppress the immune system; high levels cause suffocation. The