Spray/spritz it down with a strong bleach formula. Protect clothing and towels from any overspray. Wipe any overspray off of the wall as well. Let it dry. It may take a couple of treatments. You should be able to get rid of most of the stain that way. Then watch for recurrence and note any pattern. On warm breaks in the winter, you may want to touch-test the area to see if it is moist (the stain takes a while to develop after the actual moisture gets in.) Same with heavy rains in the spring/summer.
Last edited by Jedi Ninja; 10-03-2011 at 11:10 PM.
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