Suma Calc D5 is a concentrated acidic descaler for removing limescale from kitchen equipment, utensils and for descaling dishwasher machines. - Suma Calc D5 is an acid descaler to remove limescale from kitchen equipment and utensils including dishwasher, cookware and steam, water bath, thermos of tea and coffee. The combination of inorganic acids and non-ionic surfactants achieve an effective decalcification of all types of surfaces. - Completely removes limescale residues, helping to protect equipment and improve hygiene levels. Its concentrated formula offers great economy in use. Removes oxide layers, returning surfaces to their natural shine.