Calcium Magnesium Supplement

Prevent and correct yellowing, slow growth and poor productivity. Calcium paired with Magnesium offers a comprehensive approach to total plant support and will keep your plant growing efficiently without problems.

  • HydraCalMag (1L / 32oz)
    A powerhouse calcium-magnesium and iron liquid fertilizer for a robust, deficiency-free garden.

    HydraCalMag (1L / 32oz)

    A powerhouse calcium-magnesium and iron liquid fertilizer for a robust, deficiency-free garden.
    HydraGarden
    $25.99
    $25.99

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