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General Hydroponics Meters & Testing

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  1. General Hydroponics PRO pH Up

    Item #: GH-PROPH-UP

    Available in 3 Options

    $62.29 - $1,702.43
  2. General Hydroponics pH Down Liquid

    Item #: GH-PHDN-CONF

    Available in 3 Options

  3. General Hydroponics PRO pH Down

    Item #: GH-PROPH-DWN

    Available in 3 Options

    $62.29 - $1,702.43
  4. General Hydroponics pH Up Liquid

    Item #: GH-PHUP-CONF

    Available in 3 Options

  5. $91.61

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    Out of stock

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