Ele-Max Magnesium 4-0-0 has 20% Magnesium and 4% Potash to supply your plant's needs. Ele Max is a line of high quality micronutrients and foliar nutritional blends formulated specifically for plant nutrition. They are manufactured from high-purity raw ingredients, with balanced crop nutrition and crop safety as the primary concern. The Ele-Max line consists of high-analysis products available in liquid concentrates (LC) and liquid flowables (FL).