In last post we discussed what is necessary to mop a tile floor properly (mopping 101). Now lets discuss how to mop. The goal of mopping is to remove the dirt from the tile floor. Most people just get the floor wet and then swish the water and all the dirt around pushing it all into the grout lines which are lower than the tiles. The grout ends up as the receptacle for all the dirt and dirty water from the entire floor. So while the tiles may have gotten clean the grout just got dirtier. Even worse is the fact that the grout is cement based and absorbs all that dirty water. Over time this causes the grout to become permanently stained and discolored just like clothing. What is crucial is to dry the dirty water before it has a chance to absorb in to the grout or simply evaporate. What you will find is a dirty towel instead of a dirty tile and grout floor. By mopping in sections and drying the water before you proceed to the next section of the tiles will be the most effective way of properly cleaning your tile floor and preventing dirty grout. It is important to note that a good quality grout seal can be very helpful in this regard. A grout sealer will prevent absorption of that dirty water into the grout. This will give you that window of time to dry the dirty water before it is too late and already absorbed and stained your grout. It goes without saying that the mopping water in a bucket must be sufficient to wash out all the dirt otherwise you will need to change the mopping water as many times as necessary to clean the floor with clean water.