Magnesium Sulphate (Epsom Salts)
Searles Magnesium Sulphate
500g powdered concentrate
Magnesium sulphate (Epsom Salts) corrects yellowing in older leaves. It is ideal for gardenias, azaleas and other acid loving plants. Also recommended for tomatoes and citrus. Magnesium is an essential element for photosynthesis. Deficiency causes yellowing between leaf veins, mainly in the older leaves.
Manganese deficiencies are most common in alkaline soil, so it is recommended you test the soil pH and apply correcting agents if needed.