It s important to pour the masonry cleaner into the water instead of the other way around to prevent any burns from the acid.
Cleaning stone fireplace with muriatic acid.
This will totally neutralize the muriatic acid.
Acid will etch most stone brick masonry surfaces.
If etching or discoloration occurs discontinue use.
Using a pump up sprayer spray a small area no larger than 3 x 3.
Dunk a clean soft sponge in the remaining tsp solution then apply it to the entire fireplace surround making sure to wet both the stone and the grout.
Our tutorial on how to clean and prep a stone patio is also super helpful.
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.
Muriatic acid is available for purchase at home improvement centers and janitorial supply stores.
These fireplaces also can accumulate soot dust and burn marks.
Let the solution dwell for five minutes.
Never use muriatic acid on stone or masonry.
Before cleaning your stone with the muriatic acid test it on an inconspicuous area.
Avoid uneven or prolonged contact because etching uneven cleaning or streaking can result.
If you try cleaning off the mortar while it is still wet it just smears on the stones.
Rinse the stone with water and you re done.
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.
Fill an eyedropper with the mixture and apply one to two drops to the stone.
Dip a second brush into the masonry cleaner mixture then gently apply the brush to the brick.
Prepare a diluted solution of your acid based cleaner.
You can beautify and brighten a stone fireplace and add some protection to the stone and mortar by cleaning and sealing it.