Using a Pumice Stone on Porcelain Toilet Bowl?
bar keepers friend is better than comet and like products anyday. if that doesnt work: pour 1/2 cup white vinegar in bowl, close top, and leave over night. flush then if still stained scrub. also, pouring 1/2 cup white vinegar into the tank, before bed, helps...
Removing Smoke Smell from Duplex?
white vinegar white vinegar baking soda baking soda im a smoker