Vitax Sulphate Of Iron 1kg Improves soil conditions for acid loving plants Vitax Sulphate of Iron can be used to reduce the alkalinity of soils, helping make available the natural elements and nutrients essential to the healthy cultivation of plants which thrive in acid conditions All calcifuge (lime hating plants) such as azaleas, rhododendrons, magnolias, conifers, as well as many ericas and alpines can benefit from regular top dressing with Vitax Sulphate Of Iron Apply: As required Available pack size: 1.25 kg