Free delivery on this product The cement residue remover for heavy-duty outdoor use removes cement and mortar residues, blooms, rust and similar stubborn dirt from acid-resistant surfaces. The cleaner for all acid resistant external surfaces. Removes stubborn cement and mortar residues For porcelain, quarry tiles and terracotta Concentrate – extra strong Acid-based Approx coverage per L – 30-50m2 For outdoor use only. Share on Pinterest Share on WhatsApp