API - Nitrate Test Kit - 90 Tests Insect Repellent Apply gel generously to affected

Apply gel generously to affected area 2 to 3 times daily

pretty pinks

the most widely studied probiotic in the world

glass test tube w/ cap

API - Nitrate Test Kit - 90 Tests Insect Repellent Apply gel generously to affectedDESCRIPTION High nitrate levels in your aquarium indicate a build up of fish waste and organic compounds, resulting in poor water quality and an increase in algae growth. Contrarily, maintaining a low nitrate level improves the health of fish and invertebrates. Use the API Nitrate Test Kit to ensure that the nitrate levels in your tank are safe and healthy for your fish. The Nitrate Test Kit reads parameters from 0 to 160 ppm, and contains 2 bottles