Things You'll Need
Brush broom or scrub brush
Muriatic acid is available for purchase at home improvement centers and janitorial supply stores.
Before cleaning your stone with the muriatic acid, test it on an inconspicuous area. Fill an eyedropper with the mixture and apply one to two drops to the stone. If etching or discoloration occurs, discontinue use.
Natural stone is an expensive yet common option for many home remodeling and decorating designs. Used for tiles, walls and countertops, grime will quickly cover your stone item and require a thorough cleaning. Muriatic acid is a heavy-duty chemical that will clean away dirt, soap scum and efflorescence from your natural stone and masonry items. To prevent harm to yourself and those around you always read and follow all directions and warnings printed on the muriatic acid label.
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Protect nearby plants and vegetation by covering them with a plastic tarp. Brush the surface dirt and debris off the stone with a broom or scrub brush. Dampen the stone with a water hose.
Wear a pair of rubber gloves and safety goggles. Fill a 5-gallon bucket with 10 parts cool water and 1 part muriatic acid.
Dip a brush broom or scrub brush in the mixture and begin scrubbing the stone in a back-and-forth motion. Leave the mixture on the stone for 10 minutes before rinsing clean with a water hose.
Sprinkle a liberal amount of baking soda on the stone and scrub with a clean brush broom or scrub brush. Baking soda will naturally neutralize the acid. Rinse the stone clean once again with a water hose.
- Danny Lipford; How to Clean Tile with Muriatic Acid; Joe Truini
- International Association of Certified Home Inspectors, Inc; Efflorescence for Inspectors; Nick Gromicko, Rob London and Kenton Shepard
- Argonne National Laboratory; Cleaning Limestone and Muriatic Acid; Richard Barrans
- Ask The Builder; Efflorescence Removal; Tim Carter
Amanda Flanigan began writing professionally in 2007. Flanigan has written for various publications, including WV Living and American Craft Council, and has published several eBooks on craft and garden-related subjects. Flanigan completed two writing courses at Pierpont Community and Technical College.