Humboldt County's Own Magnum 5 GalMAGNESIUM AND SULFUR BOOST Photosynthesis is the process whereby the chlorophyll in the leaves converts sunshine and CO2 into sugars. It is the basis of ALL plant growth. No Magnesium, no chlorophyll, no photosynthesis. Sulfur aids in the formation of chlorophyll. MAGNUM is our high potency Magnesium Sulfur boost that will ensure an ample supply of Magnesium and Sulfur for chlorophyll synthesis. Magnesium deficiency is the MOST common cause of poor