Glass Rescue cleans and restores heavily stained surfaces - even if they've been stained over long periods of time. It is the strongest product available for restoring heavily stained surfaces. Examples include: lime scale, calcium deposits, soap scum, salt spray, and other contaminants.

Please be aware that Glass Rescue may stain surfaces such as, stucco, brick, concrete, etc. Before using Glass Rescue, you should either test for compatibility or protect areas with tape and plastic sheeting.