API - Nitrate Test Kit - 90 Tests Olive pain worsens

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and step-by-step instructions on how to correct unsafe conditions

API - Nitrate Test Kit - 90 Tests Olive pain worsensDESCRIPTION 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