Eco-Check provides easy one-dip testing of freshwater with no powders, liquids, or tablets to measure. Each strip is precisely impregnated with the chemistries needed to test for pH, total alkalinity, total hardness, nitrate, and nitrite. To use, just dip one test strip into water for 2 seconds without motion. Remove the strip, shake once to remove excess water, and wait 25 seconds. At 1 minute, match the strip to the closest colors to obtain individual results for pH, total alkalinity, total hardness, nitrate, and nitrite. Bottle of 25 test strips.
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