Keep those grout lines sparkling—no elbow grease necessary. By Katie Holdefehr We probably all wish our shower was a little cleaner, but carefully scrubbing grout lines with a toothbrush is no one's idea of a good time. The solution: start incorporating low-effort mini cleaning moves into your daily shower routine. Instead of procrastinating until your shower stall is a mess of mildew you shudder at the thought of scouring, make these easy cleaning tips a natural part of your morning ritual.