[header] How to clean grout with vinegar [title] Apply vinegar to the grout. [step] Use a vinegar-soaked cloth or a spray bottle filled with vinegar to coat the grout you wish to get clean. If you are trying to clean grout on a vertical surface, a spray bottle is probably your best bet. 
[substeps] 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.