Originally posted by cwaldmeier:
they make a nice product called a “pumie stick”. it looks like a piece of lava and works very well on tubs, sinks and toilets. it won’t scratch the hard surface.
thanks for your information, I used a pumice stick once in Calif in 1970 and it worked well, but had forgotten about them, so now I just have to locate them in a store, thanks for your help