General Hydroponics

1500 ppm Calibration Solution 1500 ppm Calibration Solution $8.20
pH 4.01 Calibration Solution pH 4.01 Calibration Solution $7.54
pH 7.0 Calibration Solution pH 7.0 Calibration Solution $7.54
pH Control Kit pH Control Kit      $17.20
pH Down 1 qt AcidpH Down 1 qt Acid$10.76
pH Down 8 oz AcidpH Down 8 oz Acid$7.54
pH Down Dry 2.2lbs. AcidpH Down Dry 2.2lbs. Acid$10.76
pH Test Kit pH Test Kit   $7.54
pH Up 1 qt BasepH Up 1 qt Base$10.76
pH Up 8 oz BasepH Up 8 oz Base$7.54
pH Up Dry 2.2lbs. BasepH Up Dry 2.2lbs. Base$15.00