Agricultural feed approved limestone flour is a powdered or granule calcium carbonate produced from high purity carboniferous limestone. For use in animal feed, as a mineral to support bone, tissue growth and nerve impulse transmission. Available in (approx) – Bulk Pressure Tanker, 1000kg Totes or 25kg Bags For pricing please contact us on enquiries@saltexpress.co.uk Alternatively you can use the contact form.