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Make sure to do this while you are taking a shower or bath. Also, leave it on for an additional 30 minutes after you get out of the shower. If you do not have a ventilation fan, then keep your bathroom windows open during and after your shower. Do this after you shower three to five times a week to prevent mold growth. Mix equal parts water and vinegar, and fill a spray bottle labeled "shower spray" with the solution. Keep the spray bottle handy in your shower or bathroom. If you have children, make sure to keep the spray bottle out of reach. Do this after you shower five to seven times a week. Make sure to wipe down and dry your shampoo bottles, cleansers, toys, and other objects in the shower as well. Keep a designated towel handy in your bathroom for this specific purpose.

Summary:
Turn on your ventilation fan. Spray down your shower with a water-vinegar solution. Wipe down your shower with a dry towel.