网页Simply draw along your grout as if you were painting a line... that's it! Enjoy clean grout lines that look basically brand new! GroutShine gets the job done without any harsh chemicals, odors, or toxic ingredients! And with it's specialized formula, you'll prevent mold and fungus from growing back ever again! 1: $22 | 2-3: $20 each | 4: $17 each.