MagThio® (0-0-0-10S-4Mg) is a clear, neutral to slightly acidic, chloride free solution containing 4% magnesium and 10% thiosulfate sulfur that can be applied as a foliar treatment, or blended with other fertilizers. An efficient source of soluble magnesium and thiosulfate sulfur, MagThio assists in the correction and supplementation of nutrient deficiencies in fruit, vegetable and forage crops.