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.
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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.
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