General Hydroponics pH Test Kit 1 oz
General Hydroponics pH Test Kits make pH testing quick and easy. To test your pH level, follow this simple process:
- Fill a test-tube halfway with nutrient
- Add a few drops of pH Test Indicator
- Observe the coloration of the liquid in the test vial
- Use 3 drops per 5ml of solution as needed
Many experienced growers prefer our pH Test Kits over expensive electronic meters because of its reliability and ease of use.