ITEM CODE: 0270 D-scale Is A Powerful Blend Of Phosphoric Acid, Solvents, And Surfactants For Removing Cement And Grout Residues, Efflorescence, Rust Stains, And Soap Scum. Features: Safe, Non-toxic Formulation. Removes Cement, Grout And Mortar Residues. Dissolves Soap Scum And Hard Water Deposits. Neutralises And Removes Alkaline Residue And Efflorescence. Removes Mould And Mildrew. Effective In Hard Or Soft, Hot Or Cold Water. Will Not Turn Terracotta Green Like Hydrochloric Acid Will. Low Foaming Formula For Machine Use. Biodegradable. Suitable For: Ceramic Tile Glass Brick Stone Terracotta Grout & Acid Safe Concrete Surfaces Coverage: 10-50 Sq. Metres Per Litre (1 Coat) Depending On Porosity Of The Surface & The Concentration Used *This product is in stock in our Warehouse & can be collected during Business Hours.We will advise you when your order is ready for collection.Please allow up to 7 days from your order date if you would like delivery.It is recommended to view a product Sample in Store.Please refer to our Terms & Conditions page for more information.