The most common cleaning mistakes are listed below along with the results of the mistake as well as the alternate way of cleaning properly to have nice looking tile and grout).
1. Using dirty water to mop a floor just spreads around dirt.
Rather change the water in your mop bucket as necessary or use a larger bucket of water..
2, Using cleaning products that leave haze and soap film on the floor
Rather use a neutral cleaner or use a lot of water to rinse out residue.
3. Using a hard bristle wire type brush to clean the floor that can ruin the tile and grout surface.
Rather use a soft brush only when necessary and mop properly .
4, Do not allow to air dry The dirt can re-enter in the grout.
Rather dry any liquid with a towel.
5. Unsuitable cleaning products for natural stone.
Rather check label if safe for natural polished stone.
6. using floor finishes, sealers and coatings instead of proper cleaning stuff.
Rather stay far away from all of these and just use a reguar cleaning oroduct.