K & S Epso TOP Magnesium Sulfate - Epsom Salt

K & S Epso TOP Magnesium Sulfate 16 - 32 16% MgO water soluble Magnesium Oxide (= 9.6% Mg) 32.5% SO3 water soluble Sulfur Trioxide (= 13% S) Usually applied as a 5% solution (1 pound  per 2.4 gallons of water, or 11 pounds per 26.4 gallons  of water for soil-based crops. EPSO Top is approved according to regulation (EC) 834/2007 and (EC) 889/2008 for use in organic farming systems.For hydroponics, use Epsom salt to make Part B of a two-part nutrient concentrate (see the description for Masterblend Tomato Vegetable formula for more information). K & S EpsoTOP Magnesium Sulfate -- Epsom salt -- may also be used as a foliar feed at the rate of 1 tablespoon per gallon of water sprayed directly onto leaves  with a sprayer every two weeks. In general, magnesium sulfate: Can be applied with crop protection products Compatible with most pesticides and fertilizers. Must be dissolved in water first when combined with ammonium nitrate-urea solutions and NP or urea solutions Quick act