How to clean bricks in our home. For these interior bricks mild cleaners are required. If it is insufficient, the degree of concentration is taken higher. The mildest among the detergents is that used for washing the dishes and so this can be used for cleaning the interior brick. For this you would require a bowl or bucket, warm water, grease fighting soap for dish, cleaning rags, table salt, along with a scrub brush that has coarse bristles. Here is the process in which you can start with the cleaning A loose paste is to be prepared consisting of one part of dish soap and one part of salt along with water. Use a clean rag to spread the paste all over the surface of the brick. The brick surface should be scrubbed with the help of scrub brush. Leave this paste on the surface for a period of ten minutes. Take a dampen rag for rinsing the surface of the brick. You can also clean with boric acid, that is little harsher method. For cleaning with boric acid you would require boric acid such as Borax, a scrub brush with coarse bristles, warm water, a pair of gloves, cleaning rags. Take warm water in a gallon and add 1 tablespoon boric acid. Wear the gloves. Dip into the solution the scrub brush. Then scrub the surface of the brick with this. When the task of scrubbing is done, just dampen a clean rag in water and wipe off the surface. There is yet another method that is harsher than boric acid. Cleaning with ammonia is a harsh method. For this you will need ammonia, a small bucket, hot water, pumice, grease fighting soap, rubber gloves, cleaning rags, and a scrub brush that has coarse bristles. Here is how you can do the cleaning. Mix two parts of dish detergent with one part of ammonia, and one part of pumice powder. Add enough hot water to the mixture to prepare loose paste. Wear the gloves and spread this paste on the surface of the brick with the help of a rag. Keep it to dry. Scrub the surface. Rinse it off.