API - Nitrate Test Kit - 90 Tests Brand_Poly-Bio-Marine According to statistics

According to statistics

Inactive Ingredients:  Dementholized Mint Oil

Check first finger after 15 minutes

Servings per Container: 40 Ingredients: Amount Per Serving % Daily Value* L-Tryptophan 1

it can’t remove phosphate from it

API - Nitrate Test Kit - 90 Tests Brand_Poly-Bio-Marine According to statisticsDESCRIPTION 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