COVERAGE: 5-10m2 Per LitreSUITABLE FOR USE ON: Stone, Brick & Concrete SurfacesREMOVES: White salts on all mineral building surfaces from new render to old stoneworkDAMP PROOFING: Can be used on brickwork & masonry before the application of render, as part of a damp proof course.HOW TO USE: Brush away or remove all loose surface salts and thoroughly soak the affected area with clean tap water. Apply GLEAN Salt Stain & Efflorescence Remover by brush or roller to areas showing salts contamination. For use on new plasterwork or light salting, dilute before use with 1:1 water.INTERIOR PROTECTION: This formulation has been designed to penetrate the surface of interior walls. It immediately reacts with the salts in and on the substrate, neutralising them. It also creates an insoluble barrier against further salt movement into the surface.Made in Great BritainGLEAN Salt Stain & Efflorescence Remover is a ready-to-use solution, designed to remove unsightly salt stains and white efflorescence blooms on walls, driveways, patios and paths.The aqueous surface treatment has been specifically developed to overcome the problem of white salt stains and efflorescence, which left untreated can damage building surfaces. Can be used on brickwork, concrete, masonry, stone, etc. Can also be used before the application of render as part of a damp proof course.For use on new plasterwork or light salting, dilute before use with 1:1 water.