Active Aqua pH liquid Test control Kit

The pH test indicator solution control kit is a liquid that tests the pH range of your water or nutrients for hydroponics and soil growers.  Use the color chart to find your pH range and adjust your nutrient solution with pH up and down to the desired measurement.

The pH test kit is good for 150 tests and measures a wide spectrum from 3-10 pH. At the rate of 3 tests per week it will last one year, making it excellent value for money. This kit covers a pH range of 3-10 measuring in 0.1 increments.