General Hydroponics Meters & Testing

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15 Item(s)

  1. General Hydroponics pH Up Liquid

    Item #: GH-PHUP-CONF

    Available in 3 Options

  2. General Hydroponics pH Down Liquid

    Item #: GH-PHDN-CONF

    Available in 3 Options

  3. Regular Price: $14.95

    Special Price $13.95 on sale until 9/30/2022!

  4. General Hydroponics PRO pH Down

    Item #: GH-PROPH-DWN

    Available in 3 Options

    $68.95 - $1,908.95
  5. General Hydroponics PRO pH Up

    Item #: GH-PROPH-UP

    Available in 3 Options

    $68.95 - $1,908.95
  6. $91.61

    Item ships free!

    Out of stock

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