Scrape the surfaces to be painted with a single-edge razor blade to remove soap scum buildup. Focus on areas under the soap tray and the tub or sink drain. Wipe all scrapings into a garbage bag.
Sooner or later, every bathroom needs a tuneup, and the tub's shower enclosure is often the best place to start. An enclosure is large enough to dominate the room and set the tone, yet it's often the ...