For a natural alternative try making a paste with baking.
How to clean slate bathroom walls.
The easiest way to remove the excess sealer from the surface of the slate tiles is to use terry cloths or paper towels.
With a clean cloth rinse the clean bathroom tiles with warm water.
You can use a cleaning product specifically made to wash natural stone or any other cleaning solution that does not contain lemon or vinegar preferably one that is ph neutral.
Regularly mop or sponge your tiles with 2 tablespoons of all purpose cleanser mixed into a gallon of hot water.
Simply wipe the surface of the slate tiles with the absorbent paper towels or cotton cloth to remove any wet areas of sealer that are on the surface of the slate tiles and grout.
Empty the bucket and refill with 1 gallon of warm water and capful of detergent.
Dip wet mop in the detergent solution and wring thoroughly.
First make sure to sweep dust or dry mop the surface to remove any loose dirt.
For the perfect bathroom tile cleaner apply the thick paste to the dirty tiles using a damp cloth or sponge.
Wet the soft cleaning rag with the detergent solution and wipe down slate walls and counters thoroughly wiping in the same direction so as to avoid streaks.
Let the paste sit for a minimum of 30 minutes.
Use a soft rag or.
Take an old toothbrush or grout brush and scrub removing the soap scum with it.
Mop your slate tilefloor with a gentle cleanser.
Rub a thin coat of car wax onto tiled walls annually to make water bead up and roll off the protected surfaces.
Spritz the solution onto the surfaces and wipe them dry with a clean cloth.
Mix a few drops of mild dish detergent in a couple of cups of warm water.
Rinse with clean water and either let it air dry or use a soft cloth.