After applying the vinegar, wait ten minutes before moving on to the next step. Always use distilled white vinegar or specialized cleaning vinegar to clean grout.
The more grout you have to clean, the more paste you’ll need. [4] X Research source You can also use an oxidizing bleach powder instead of baking soda. [5] X Expert Source Art FrickeHome Renovation & Repair Specialist Expert Interview. 1 July 2020.
To prevent grout from accumulating grime in the shower, just spray this mixture onto the shower grout two or three times weekly after getting out of the shower.
You may have to wait about five minutes for the vinegar and baking soda to react. [9] X Research source
If you want to give your floor an additional level of shine, mop the whole thing after you’re done.