Answer a bsolutely do not use muriatic acid to clean your grout because it can etch your tile damaging the surface and it can permanently stain the grout.
Tile grout cleaner muriatic acid.
Place an open container of baking soda or gardening lime within easy reach.
How to clean tiles with hydrochloric acid step 1.
Tile and grout need to be cleaned with a proper cleaner to make sure you don t damage the tile surface or bleach the grout.
Ventilate the area where you will be working by opening doors and windows and turning on any exhaust fans.
Fill a bucket with 1 gallon of clean water.
Apply the mixture with a nylon scouring pad in small circles over the tile.
How to clean tile grout with muriatic acid.
Since muriatic acid is a harsh chemical mix it outside.
Do not pour acid into the bucket and add water.
Use a brush on an extended handle for floors or otherwise for walls.
Slowly add 1cup of muriatic acid into the water.
Put on gloves goggles and face mask.