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PH Maintenence
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General Hydroponics pH Control Kit
$21.45Contains: 8 oz. pH UP 8 oz. pH DOWN 1 oz. indicator & vial Please note that this item must be shipped via FedEx Ground. This item cannot be sent to Alaska, Hawaii, Puerto Rico, Virgin Islands or Internationally. Learn More -
General Hydroponics pH Down
Starting at: $20.00
The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. This powdered acid formula is easy to handle and ship. Lightweight in comparison to liquids. Widely recognized as a consistent and reliable product. Please note that this item must be shipped via FedEx Ground. This item cannot be sent to Alaska, Hawaii, Puerto Rico, Virgin Islands or Internationally. Learn More -
General Hydroponics pH Test Indicator - 8 oz
$14.95General Hydroponics pH Test Kits make pH testing easy.
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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. Many experienced growers prefer our pH Test Kit to expensive electronic meters because it is reliable and easy of use. -
General Hydroponics pH Test Kit
$7.99General Hydroponics pH Test Kits make pH testing easy. Simply 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. Many growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use. Learn More
