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Brand: General Hydroponics

GH pH Test Indicator Solution | 8 oz

GH pH Test Indicator Solution | 8 oz

SKU: SKU:GH1516

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Regular price $9.11 USD
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GH pH Test Indicator Solution (8 oz) from General Hydroponics makes hydroponic pH testing fast and reliable with a simple color-change drop test for precise nutrient solution control.
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GH pH Test Indicator Solution for Hydroponics

General Hydroponics’ pH Test Indicator Solution provides a quick, dependable way to check the pH of your nutrient solution—no electronics required. The vivid color change makes results easy to read at a glance, helping you keep your reservoir in the ideal range for faster growth and healthier roots. Trusted by growers for its reliability and low maintenance, this liquid test is perfect for hydroponic, soil, and soilless setups. The 8 oz bottle offers excellent value for routine testing across veg and flower cycles.

How to Use the General Hydroponics pH Test Kit

Fill the test vial halfway with your nutrient solution, add 3 drops per 5 mL, and compare the coloration to your chart to determine pH. Adjust with pH Up/Down as needed, then re-test to confirm. This simple routine helps prevent nutrient lockout and supports consistent uptake for stronger plants and better yields.

Features:

  • Fast, reliable color-change pH testing—no calibration or batteries

  • Helps prevent nutrient lockout and supports optimal uptake

  • 8 oz size is cost-effective for frequent reservoir checks

  • Works across hydroponics, soil, and soilless media

  • Simple “3 drops per 5 mL” method for consistent, repeatable results