MagPhos 0-55-18+4.2Mg is a Nitrogen-free, white crystalline, fully soluble, free-flowing Magnesium fertigation fertilizer that also contains Phosphorus and Potassium.

Made with an exclusive proprietary technology and to ensure maximum quality, the uniqueness of MagPhos lies in the fact that this product has a high level of Magnesium in combination with a high level of Phosphorus and Potassium while still being slightly acidic. MagPhos is chloride and sodium-free, with a high solubility level of 400 g/liter H2O (at 20 °C).