Bathroom ceiling surfectant leaching, what can I cover it with to stop it?
Will Kilz 2 be sufficient? It's a small bathroom, with no fan and only a small window that stays closed in cold weather (so, 8 months of the year). The brown drips down the walls and collects on the ceiling and it's really gross. I wash it off, but it keeps coming back. I plan to paint the walls with Aura bath and spa.