pH and E/C Testing

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      7 products
      pH meter Pen with ATC by AZ
      $80.00
      Bluelab pens
      from $149.99
      Sold Out
      One Pen by Bluelab
      $399.95 $375.00
      Hydroponic Meter Pro Kit, ALL-IN-ONE by AC Infinity
      $299.95
      EC & TDS meter Pen by AZ
      $74.99
      pH Test Kit by Hy-gen
      $13.00
      Complete pH Kit by Hy-gen
      $30.00