Product Description
Sure Klean® Limestone Restorer is a concentrated acidic cleaner formulated for the safe removal of atmospheric dirt, mildew, and discoloration from unpolished limestone, marble, granite, sandstone, slate, concrete, and cast stone surfaces. It is designed for lightly to moderately soiled substrates and is safer than conventional acid systems.
Key Benefits
- Safe and Effective: Ideal for lightly to moderately soiled limestone and other masonry surfaces.
- No Substrate Neutralization Required: Eliminates the need for post-cleaning neutralization steps.
- Non-Damaging: Will not harm window glass or metal surfaces when properly applied.
- No Hydrofluoric Acid: Safer to use than many other acidic cleaners on the market.
Best For
- Limestone (unpolished)
- Marble
- Granite
- Sandstone
- Slate
- Concrete
- Cast stone
Product Properties
| Property | Specification |
|---|---|
| Form | Clear, slight amber liquid |
| VOC Content | Non-applicable |
| pH | 0.18 @ 1:6 dilution |
| Coverage Rate | 100–700 sq ft/gal. See Product Data Sheet for variations per substrate. |
| Freeze Point | Non-applicable |
| Flash Point | Non-applicable |
| Total Solids | Non-applicable |
| Wt/Gal | 9.47 lbs |
| Available Sizes | 1-gal, 5-gal, 55-gal |
| Shelf Life | 3 years in tightly sealed, unopened container |




