General Hydroponics pH Down Professional testkits 5% Water Soluble Nitrogen (N)

5% Water Soluble Nitrogen (N)

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- Keep your Probe clean and accurate by filling the cap with Storage Solution

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General Hydroponics pH Down Professional testkits 5% Water Soluble Nitrogen (N)To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5. 5 and 6. 5. Users of General Hydroponics nutrient products generally do not experience problems maintaining the proper pH range because our formulas are pH buffered. However, some important exceptions do exist. Acid content can reach unacceptable levels when nutrient solutions are mixed with