General Hydroponics Meters & Testing

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13 Item(s)

  1. General Hydroponics pH Up Liquid

    Item #: GH-PHUP-CONF

    Available in 3 Options

    $11.95 - $27.95
  2. General Hydroponics pH Down Liquid

    Item #: GH-PHDN-CONF

    Available in 3 Options

    $11.95 - $24.95
  3. $91.61

    Item ships free!

    Out of stock

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13 Item(s)