General Hydroponics pH Test Kit

General Hydroponics pH Test Kit

  • $14.99


General Hydroponics pH Test indicator is perfect for easy testing. It covers a wide range, going from 4.0 to 8.5. Simply fill the test-tube halfway with nutrient solution, add 2 - 3 drops of pH Test Indicator, shake and observe the resulting color. Compare with their color chart to check your pH level.

We Also Recommend

Back to the top