General Hydroponics pH Test Indicator Solution
General Hydroponics pH Test Indicator Solution will help you keep an accurate measurement of your hydro systems pH levels. Proper pH management is vital to a successful project. Without a consistent pH level your plants will not receive the expensive nutrients you are giving them. When you maintain the proper pH levels you assure that your plants are able to take up all of those vital nutrients. Using the indicator solution to test your pH is simple. Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5ml of solution.