Five tests in one strip for testing pH, alkalinity, hardness, nitrate and nitrite. It's designed from the same technology used in medical and science laboratories, giving fast and accurate results. They're simple to use. Just dip and read results in seconds.
50 strips for a total of 250 individual tests.
Details: Use one strip to measure levels of pH/alkalinity/hardness/nitrate/nitrite. Easy to read charts help you identify safe and unsafe water quality levels. Includes product recommendations for identified water conditions.