PH/EC/TDS/ Solutions

  • General Hydroponics Calibration Solution

  • buy General Hydroponics Calibration Solution
  • Price: $7.54
  • General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydr
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  • General Hydroponics Ph Test Indicator

  • buy General Hydroponics Ph Test Indicator
  • Price: $18.95
  • General Hydroponics Ph Control Kit 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 s
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  • Earth Juice Natural Ph Down

  • buy Earth Juice Natural Ph Down
  • Price: $15.95
  • Earth Juice Natural pH Down - pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the
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