more such advice.
http://www.accouters.com/how-do-i-re...my-toilet.html
why not LOWER the water level (to dryness) and apply a coat(s) of special paint? takes the fixture out of service for a short while, a few days at most, but you have a new surface. there are things to figure out mentioned in the link like is it porcelain or china, etc. quite doable though.