Digital pH and EC testing meters for hydroponic nutrient solutions

Meters & Pens – pH & EC Testing

    Filter

      Test It. Trust It. 

      Don’t guess your grow - know it.

      The Brains of Your Hydro System

      Accurate readings = no nutrient burn, no deficiencies, and no “what happened to my plants?” These meters and pens are the unsung heroes of hydroponics. Stay sharp, stay calibrated.

      Need to recalibrate? Jump over to pH Control & Calibration to stay accurate.

      9 products
      Sold Out
      pH meter Pen with ATC by AZ
      pH meter Pen with ATC by AZ
      AZ
      $80.00
      pH Pen by Bluelab
      pH Pen by Bluelab
      pH Pen by Bluelab
      Bluelab
      $149.99
      Sale
      Wi-Fi Guardian by Bluelab
      Wi-Fi Guardian by Bluelab
      Wi-Fi Guardian by Bluelab
      Bluelab
      $580.00 $545.00 Save $35.00
      Sale
      One Pen by Bluelab
      One Pen by Bluelab
      One Pen by Bluelab
      Bluelab
      $410.00 $395.00 Save $15.00
      Truncheon (EC) by Bluelab
      Truncheon (EC) by Bluelab
      Truncheon (EC) by Bluelab
      Bluelab
      $180.00
      Hydroponic Meter Pro Kit, ALL-IN-ONE by AC Infinity
      Hydroponic Meter Pro Kit, ALL-IN-ONE by AC Infinity
      A/C Infinity
      $299.95
      EC & TDS meter Pen by AZ
      EC & TDS meter Pen by AZ
      AZ
      $74.99
      pH Test Kit by Hy-gen
      pH Test Kit by Hy-gen
      HY-GEN
      $13.00
      Complete pH Kit by Hy-gen
      Complete pH Kit by Hy-gen
      HY-GEN
      $30.00