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GHE

  • GHE Diamond Nectar
    from £12.95

    GHE Diamond Nectar

    GH Diamond Nectar Dr Cal Herrmann, formerly a senior chemist at NASA, created GHE Diamond Nectar for General Hydroponics. Dr Herrmann is a partner ...

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    from £12.95
  • GHE Ripen
    from £5.95

    GHE Ripen

    GHE Ripen Dr Cal Herrmann, formerly a senior chemist at NASA, created GHE Ripen General Hydroponics. Dr Herrmann is a partner at GH and still condu...

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    from £5.95