Magnesium (Mg) is the central atom of chlorophyll and has an undoubted role in the photosynthesis process of the plant.
In optimal cultivation, it is important that the plant has enough magnesium.
In case of moderate lack: 0.75 ml per 1 liter.
In case of normal lack: 1 ml per 1 liter.
In case of serious fault: 2 ml per 1 liter.