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GH pH Control Kit






The pH Control Kit by General Hydroponics has everything you need to test the nutrient’s pH level that you’re using in your indoor or outdoor hydroponic system. The pH Control kit includes pH Up, pH Down, pH test indicator, test vial, nutrient availability chart, and detailed directions.

  • Streamlines testing nutrient pH levels
  • Includes pH Up, pH Down, pH test indicator, test vial, nutrient availability chart, and directions

In stock

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Hydroponic pH Control Kit by General Hydroponics

The convenient General Hydroponics pH Control Kit includes everything you need to test your hydroponic solution as well as adjust it if needed, and it even comes with a convenient nutrient availability chart.

Kit Includes:

  • pH UP (potassium hydroxide) 8 oz.
  • pH DOWN (phosphoric acid) 8 oz.
  • pH Test Indicator
  • Test vial
  • Nutrient availability chart
  • Detailed directions

Testing Directions: 

  • Fill the testing vial approximately halfway with nutrient solution, and then add 3 drops of pH test indicator per 5 mL of solution in vial.
  • Observe the coloration of the liquid in the test vial.
  • Adjust the nutrient solution in your reservoir with small amounts of pH UP or pH Down, re-testing frequently until the desired pH range is achieved (typically 5.5 to 6.5 for hydroponics).
Weight 3 lbs


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