Premium Nutrients Booster Cal-Mag is a calcium, magnesium and iron supplement in readily-available forms for plants. It prevents nutritional disorders and is suitable also for leaf applications. Diluted in solution together with the other nutrients it acts as a catalyst in the absorption of all the other essential minerals.

Idrolab Booster Cal-Mag

  • You can ask for any GreenMakers products in your local hydro/horticulture shop, we ship free of charge and guarantee next day delivery on orders placed before 2pm!

    • Rich in calcium, magnesium and iron
    • Prevents nutritional disorders
    • Made from pure mineral salts
    • Suitable for Hydroponics