Check the listing for details. EPSOM SALT (Magnesium Sulfate) Agricultural Fertilizer Grade - BULK. Condition: New. Listed at 7.95 USD. MasterBlend 4-18-38Epsom Salt (Magnesium Sulfate) Bulk Agricultural GradeGreat source of Magnesium and Sulfur for your garden! EPSOM SALT (MAGNESIUM SULFATE) Epsom Salt (Magnesium Sulfate) can increase seed germination and nutrient uptakeCan make foliage more green and lushCan prevent nutrient deficiencies and increase plant yieldsEpsom salt is pH neutral, so it won't affect the pH in your system or soilPacked by PowerGrow Systems in visible clear bags - Made in USAEpsom Salt (Magensium Sulfate) is an incredible supplement for your indoor or outdoor garden. It is pH neutral and won't affect your soil or hydroponic system's pH levels. It can increase yield and vigor in plants, and prevent several nutrient deficiencies that are common. It is 100% water soluble and dissolves easily in water, making it the ideal supplement for your nutrient solutions and fertilizer mixes. *Please note that packaging and labeling may vary slightly from picture. Shipping Policy: Please see shipping information below for options. Return Policy: Returns must be preauthorized and given an RMA#, no exceptions. Authorized returns must be returned within 30 days of purchase. Returns must contain all original pieces/parts/packaging and will be subject to inspection and a 15% restocking fee.