Bathroom Ceiling is Peeling?
Adding a Fan is Great Advise.The First Question though is Why is the paint Peeling in the first place.For Example Is there a window in the bathroom?what sheen is on the ceiling? if it is semi-Gloss it will need to be sanded down..Using a stain blocking primer...
Rust Stains on Plastic Tub?
I have used CLR and it worked great ;-) Good Luck.