Product Name: Natural Magnesium Sulfate 700 G. Fertilizer to Promote the Growth of Crops, Gardens, Indoor and Outdoor Plants. Natural fertilizer. Product composed of 99.7% of magnesium sulfate heptahydrate that meets the magnesium needs of crops. It improves flowering and boosts growth. Extraordinary benefits. It promotes seed germination, growth and crop yields. Our fertilizer reinforces resistance to diseases and improves soil quality, promoting the proper development of the root system of your plants. Healthy growth. Effective treatment to combat: chlorosis, the production of cracks, a decrease in the number of green leaves, the appearance of spots, deformation and premature leaf fall.