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When the lava cooled it formed millions of tiny bubbles or pores that allows it to retain water
such as poor quality water used in nutrient solutions or using pH unstable media like rockwool
and ornamentals
Application for diseases affecting leaves
K & S Epso TOP Magnesium Sulfate - Epsom Salt Size:25 kg Bag When the lava cooled itK & 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
