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Plagron CalMag Pro

From £13.95
In stock
Only %1 left
From £13.95


A shortage of calcium and magnesium (Ca/Mg) in reverse osmosis (RO) water and soft water is a well-known problem. CalMag Pro ensures that a balanced concentration of minerals is available in the water. This is the perfect base to start creating your nutrient water. CalMag Pro is mainly used with RO water and soft water.

  • Ideal for use with LED lamps.
  • Strengthens the cell walls and increases resistance.
  • Promotes root development and nutrient uptake.

How to use Plagron CalMag Pro

Add a maximum of 1 ml CalMag Pro per 1 litre of water (1:1000). Use this solution each time the plants are irrigated.


NPK fertiliser (5-0-0).
Ca: 4.1%
Mg: 2%

Tips from Plagron

  • CalMag Pro is mainly used with RO water and soft water. 

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