Gecko Grow Magnesium Sulfate (Epsom Salt)
$21.99
Solution grade Magnesium Sulfate (Epsom Salt) is 100% water soluble and when used with Masterblend (4-18-38) and Calcium Nitrate (15.5-0-0) (sold separately), you get a super charged solution that contains all the macro and micro nutrients your plants need to thrive.