How do you clean the yellow rings inside a toilet?

It seems like a really bad water stain but I just can't get it out. I've tried all sorts of toilet bowl cleaners but nothing seems to work - any suggestions?

Answers:
trying draining the water out, turn the water supply off and flush until you can't anymore, then poor bleach into the bowel and let it sit. if this doesn't work, it might be that the porcelain has worn away. good luck, it could be worse, i remember going into a girls house to use the bathroom, it was black. i walked to the mc donald's...lol

p.s. if it's rust the bleach should work in it also.

Other answers:
what yellow rings? lol, Susie
what yellow rings? lol, Susie
You have a dirty house first you asked bout water stains now this. euh!!!!
have you tried lime away?
try a brush with bristles and ajax cleanser
with chlorine (bleach) or aquaforte (hydrochloric acid). Careful, these must not get on your skin or clothes. Put the liquid in the toilet, rub it with a brushand let it in there for a couple of hours.
try HARPICK a popular brand from india.
them yellow rings inside your toilet, can be covered up with white out. :) fraternity short cuts forever.
Use a product called CLR.(found in any supermarket or drug store)Spray it on,and wait a few minutes.Take a sponge with a green scrubby side and scrub the ring until it is gone.Unfortunately,the ring will return over time,so use the same method.Straight bleach in a flushed toilet will lessen the yellow color between scrubbings.good luck.
try baking soda
Buy a pumice stone -for porcelain - they can be found w/the cleaning supplies at home supply stores. They are cheap & effective - hey, works for me!
Try putting bleach in the bowl and let it sit for a while or you can buy the clorox bleach bathroom cleaner... it seemed to clean our bathroom great!
I agree with baking soda. It really does wonders for cleaning up porcelain.
pumas stones work great just attach to a stick and scrub away. Don't worry it won't scratch the surface. You can also try Borax - it's a water softener. Just pour a little in the bowl and scrub wait 30 minutes before you flush the toilet.
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