Cleaning Stone Fireplace With Muriatic Acid

Prepare a diluted solution of your acid based cleaner.

Cleaning stone fireplace with muriatic acid.

Never use muriatic acid on stone or masonry. The stones absorb heat from the fire and radiate it into the room and they can remain hot for some time after the fire is out. Dip a second brush into the masonry cleaner mixture then gently apply the brush to the brick. Avoid uneven or prolonged contact because etching uneven cleaning or streaking can result.

An easy solution is to let the mortar dry and at the end of the project clean the mortar off the wall with muriatic acid. Removing efflorescence from stone walls takes a bit of effort and this a good method for anyone with stubborn salt deposits. Masonry projects that use cement products like mortar concrete and grout can be messy muriatic acid is a sure way to clean masonry surfaces this product is a very strong acid that will clean dried cement products off stones bricks and other masonry surfaces. Muriatic acid is available for purchase at home improvement centers and janitorial supply stores.

Acid will etch most stone brick masonry surfaces. These fireplaces also can accumulate soot dust and burn marks. Our tutorial on how to clean and prep a stone patio is also super helpful. If etching or discoloration occurs discontinue use.

Using a pump up sprayer spray a small area no larger than 3 x 3. You can beautify and brighten a stone fireplace and add some protection to the stone and mortar by cleaning and sealing it. It s important to pour the masonry cleaner into the water instead of the other way around to prevent any burns from the acid. Rinse the stone with water and you re done.

This will totally neutralize the muriatic acid. When building a stone wall or other stone projects it is almost impossible to avoid getting mortar on the stones where you don t want it. Let the solution dwell for five minutes. Fill an eyedropper with the mixture and apply one to two drops to the stone.