Sinks and Toilets : Stains
By Wendy Shepherd
Apr 24, 2005, 20:47   Use a solution of cream of tartar and hydrogen peroxide paste for stained sinks or tubs. Let it dry after scrubbing before removing it.

Inexpensive, frozen concentrated orange juice can be used to clean stains from "stainless" steel sinks and remove rust from toilets and porcelain. Apply in a thick paste and allow to sit. Use rubber gloves. (Anon)