General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)

Perris Hydroponics

General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators)

SKU: HGC722080
  • Sale
  • $18.99
  • $22.75
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Test and adjust hydroponic nutrient-solution pH with one complete kit

The General Hydroponics® pH Control Kit gives growers a simple way to test reservoir or nutrient-solution pH, then make measured adjustments with pH Up or pH Down. The color comparison system covers pH 4.0–8.5 and helps you keep most hydroponic crops in the slightly acidic range they need for nutrient uptake.

What is included

  • 8 oz. pH Up liquid
  • 8 oz. pH Down liquid
  • 1 oz. concentrated pH test indicator
  • Test tube, eyedropper, and pH level chart

How to use

  1. Fill the test tube halfway with nutrient solution.
  2. Add a few drops of test indicator and compare the color with the chart.
  3. Adjust carefully with pH Up or pH Down, then retest your solution.

Good to know: Many growers target approximately pH 5.5–6.5 for hydroponic nutrient solutions, but your crop and growing medium may call for a different range. Follow the product label and your crop-specific guidance.

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