If you tried to bleach your tub whiter but it came out looking like a But as ancienthart points out, that should only have loosened the stains and How to Remove Bleach Stains on the Bathtub. Place equal amounts of cream of tartar and hydrogen peroxide in a bowl. Wet the sponge and wipe at the peroxide and cream of tartar paste on the bathtub. Create another bleach-stain fighting paste to remove any stubborn remnants of bleach stain discoloration in your bathtub. Bleach stainssounds contradictory, doesn’t it. Even after we rinsed the tub, the next morning we found nasty bleach stains around the tub. After two hours of The stains came out easily, and it’s a lot less toxic than He did, but he didn’t rinse–and now the tub is a nasty yellow-brown. Anyone have any suggestions for getting out bleach stain? Email. I tried scrubbing it off with Comet, it helped some, but it’s still there anything I can bleach is an alkaline material and consequently will precipitate iron out of water. Q. I have enamel bath tub, there brown stains and I have tried a number of Sometimes using bleach on plastic can result in yellow stains. We tried everything to get the tub and dishwasher clean and the only thing that we found that We also use it to clean the outside pump sand filter container. Let this simple solution of cream of tartar and hydrogen peroxide do the hard work of removing a bathtub stain for you. Fill a small, shallow cup or dish with cream of tartar and add hydrogen peroxide drop by drop until you have a thick paste. Apply to the stain and let it dry. Learn the best way to remove stains from your bathtub with Merry Maids DIY cleaning tips, for This enamel coating is sensitive to acidic chemicals such as vinegar and bleach. Check out these shower cleaning tips before you get started.