MYK Laticrete India Pvt. Ltd. Manufactures Easy to Use Grout and Concrete Film Remover. MYK Laticrete India Pvt. Ltd. Is an ISO 9001:2000 certified company. Easy to Use Grout and Concrete Film Remover is a fast acting, heavy duty acid cleaner for textured, non-polished, natural and man made surfaces. It removes sanded grout and mortar residue, joint cement, lime and hard water deposits, efflorescence, rust and other heavy dirt and grime. It is a fast acting product used both in the interior and exterior. This cost effective Easy to Use Grout and Concrete Film Remover is offered in quart and gallon packaging.