Additives

Additives are supplemental products mixed into water alongside base mineral fertilizers to enhance plant health, target specific growth stages, or improve root-zone conditions.

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3 products

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Filter and sort

3 products

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Clear all

3 products

  • Sturdy Stalk

    From $47.00 NZD
    From $47.00 NZD
    Sturdy Stalk

  • Hydra Clear

    From $351.00 NZD
    From $351.00 NZD
    Hydra Clear

  • Cal-Mag

    From $28.00 NZD
    From $28.00 NZD
    Cal-Mag