There is a small hole in my tub, measuring about half a centimeter at its longest dimension. It is not deep - only the white glossy finish of the tub is chipped off. What material do I use to fill in this hole such that it be waterproof?
The pros used much to my surprise, bondo, at least the one I was watching. Then an air brush was used to "blend in" the color coat, an epoxy paint.
This was on Ebay for 18 bucks USD. quality looks questionable though. Just showing this one as an example