Here's a simple trick to keep your tile shower clean longer. Once you have completely cleaned it, apply a paste wax and buff out with a clean towel. The wax will keep water stains, mildew, even soap scum from attaching to the surface. Reapply once you notice that the water stops running off it as easily. This is a great trick after your big spring cleaning, it will save you a ton of time and keep your shower looking great longer!