Alternatively, you may use 3 percent hydrogen peroxide. However, do not dilute it with water or mix it with borax. Instead, use straight peroxide, or mix 1 part peroxide to 1 part vinegar. [1] X Research source You can purchase borax from your local pharmacy or grocery store.

You may have some solution leftover. As you clean the mold, re-fill the bottle as needed.

As you scrub, you may need to spray more solution onto the affected areas to clean them thoroughly.

Alternatively, you may use a vacuum to clean away debris and mold. However, make sure to use a HEPA filter; this type of filter can collect and contain mold spores.

If the mixture is too thin, then just add more baking soda until a thick paste forms.

If the stains remain, then you may need to repeat steps one through three again.

If you do not have a ventilation fan, then keep your bathroom windows open during and after your shower.

Keep the spray bottle handy in your shower or bathroom. If you have children, make sure to keep the spray bottle out of reach.

Keep a designated towel handy in your bathroom for this specific purpose.