HG Cement, Mortar and Efflorescence Remover 1 Litre | HAG017Z Removes stubborn cement residue Suitable for non-calciferous natural-stone Suitable for porcelain tiles Dissolves the cement not the grout Easy to use HG Cement, Mortar and Efflorescence Remover 1 Litre | HAG017Z If you're tiling your home and want to get rid of the cement residue, then the Hg Cem/Mortar/Efflorescence Remover will be your best bet. HG cement, mortar & efflorescence remover removes stubborn cement and mortar residues from all types of porous and non-porous tiles, flagstones and non-calciferous natural stone types such as Norwegian slate, granite, and quartzite. Features Removes stubborn cement residue by dissolving half a litre of the solution in 5 litres of water Suitable for non-porous tiles which are commonly used Easy to use making it a handy product to have Easy to follow instructions