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Product review for 1 Set GH pH Control Accurate General Hydroponics Tool Adjustment Combo Up and Down Perfect Popular Volume 8 oz with 1 oz Indicator

Amazon Price: $59.44 $59.44 (as of February 11, 2018 2:28 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Perfect GH Up and Down Calibration Solutions Adjustment Combo Set, Feature of description 8 oz. pH UP, 8 oz. pH DOWN, 1 oz. indicator and vial, Contains Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level), Ph Down (uses food grade Phosphoric acid to lower the pH to the proper level), and Ph Test Indicator (fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial, Use 3 drops per 5mL of solution).

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