SureTest pH Indicator Solution Test Kit 1 oz
SureTestâ„¢ liquid indicator pH test kit provides a fast and accurate way to determine the pH of you fertilizer solution. The attached snap caps on both the reagent bottle and the test vial allows rapid determination of pH without ever having to set each container down. Collect a sample and add 2 drops of the indicator solution and compare the color of the sample to the chart on the bottle. Makes approximately 300 tests.