pH Test Indicator 8 ounces

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  • $18.99

SKU: 310


This concentrated General Hydroponics pH Test Indicator is simple to use and offers dependable results that are easy to read. Three drops of pH Test Indicator for every 5 milliliters of solution will determine the acidity or alkalinity of a plain water sample or nutrient solution; the resulting color of the sample corresponds to the pH chart included on the bottle.