It can also be used with a grout steam cleaner for extra cleaning power.
Acid wash tile grout.
To remove soap scum and hard water deposits from a tile wall in a bathroom mix one part muriatic acid with five parts water.
How to clean tile grout with muriatic acid.
Fill a spray bottle with cold water.
It is also important to wet the tile and grout before using to prevent the grout from absorbing the acid and destroying the grout.
Place a drop cloth on the bathroom floor near the shower.
Spray water liberally over the dried grout.
Turn on the bathroom exhaust fan or open the bathroom s window.
Since muriatic acid is a harsh chemical mix it outside.
Slowly pour 1 cup of phosphoric acid into the water.
A mild acid based cleaner containing citric or oxalic acid for example is the least harsh of these formulas and typically won t damage chrome stainless steel or tile.
How to acid wash ceramic tile to remove dried grout step 1.
To use you spray it on wait for one to three minutes then use a brush to loosen and rinse it off.
The acid free formula is safe for ceramic marble and porcelain tiles.
Follow the acid clean with clean water.
Slowly add 1cup of muriatic acid into the water.
Rust oleum miracle sealants phosphoric acid cleaner is a fast acting easy to use acid base cleaner for pre cast concrete concrete masonry grout tile and natural stone surfaces.
How to acid wash a tile shower.
Apply the acid solution to the grout with the paintbrush.
After diluting the cleaner as directed on the label allow the solution to dwell on the surface for 1 5 minutes while agitating with a brush.
Fill a bucket with 1 gallon of clean water.
Make sure you use gloves and eye protection as this is very dangerous.
Saturate the tile with water.
Allow the solution to sit for some time on.
This is the best dyi grout cleaning solution i found 10 parts water 1 part muratic acid.
Fill a 5 gallon bucket with water and place a sponge in the bucket.
Do not pour acid into the bucket and add.
Set the bucket of water on the floor outside the shower door.
After 24 48 hours and you are satisfied with the job the tile and grout should be sealed to restore strength and prevent stains.
Fill a 3 gallon plastic bucket with 1 gallon of cold water.