Epsom Salt Meal is a natural and organic plant nutrient, named after the town of Epsom in England, where the mineral was first discovered. Also known as Magnesium Sulphate, it’s a mineral compound containing Magnesium, Sulphur, and Oxygen, which are important secondary macronutrients for plant growth and development. Deficiencies could cause yellowing of leaves, stunted growth, leaf curling, reduced fruit quality, and poor stress tolerance.