General Hydroponics pH Test Indicator, 8 oz
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This concentrated pH test indicator is simple to use and offers results that are easy to read. Three drops of pH Test Indicator for every five 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.
  • Item #: GPTI508

General Hydroponics pH Test Indicator, 8 oz

Price: $11.00
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