Toilet bowl stain - x-post from plumbing

dks35October 21, 2012


I have a question about the toilet we got in the guest bathroom of the house we bought recently. The previous owner lived their alone until she passed and the house was sold to us by surviving children and we got it that this bathroom was not used very often. The toilet bowl developed "a ring stain" where water sits that we don't seem to be able to get rid off. It is a good functioning low flow toilet and I don't want to waste it if I can make this stain go away. We tried - all kinds of cleaners, bleach,soda and finally murietic acid solution (for this treatment we had the bowl taken off the pipe and treated in the backyard). Nothing seems to work. The ring is some sort of calcified deposits, you can feel it upon touch, its kinda rough.

Another interesting feature of this toilet is that upon a single flush bowl fills and siphons at least 3 times, which initially made us think it is a flaw or something is wrong with the drain, but it turns out it doesn't waste more water since it is a single flush and keeps waste elimination more efficient - I don't remember seeing such 3-in-1 flush anywhere before. Am I wrong in my assumptions?

This kohler model is from mid 1990's.



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Thanks all! I found all the answers I needed - drywall sand paper did the trick. Pretreating with lime-away may have helped (not sure but was done prior to scrubbing). I don't see any scratching on the porcelain.

    Bookmark   October 22, 2012 at 1:43AM
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I wouldn't use anything abrasive. When we lived on a boat I discovered that vinegar (get the cheapest white vinegar you can find) will take care of stains in the head (aka marine toilet). Empty the bowl, pour in the vinegar and let it sit, might take a day.

    Bookmark   November 27, 2012 at 12:31AM
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Once clean, I don't think you will have any problem with stains. I am 75 and never had a problem. You just have to clean them often and the ones rarely used need to be flushed occasionally and cleaned.

I try to keep the use of chemicals to a bare minimum, so I use soap and water for most cleaning. I use cheap dish washing liquid to clean the stools and have been doing that for 2 or 3 years. If I buy shampoo that I don't like I use it to clean the stool. I haven't seen any problems doing that. My neighbor said, "but it's not sanitary", my reply was I don't drink out of it. LOL

    Bookmark   November 27, 2012 at 11:28AM
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you are right to use some abrasive scrubbing item such as a pumice stone or what you ended up using. My mother said the only thing that works at her house since they have such hard water is to empty the toilet of water to get at the ring and then use an abrasive sponge or pumice stone to go after it. She says it's the only thing that works. Her home is spotless, it's not that it's from not cleaning it's something to do with her water. I've seen this discussed before and in the end it's the only way that seemed to work according to others who had the same problem.

    Bookmark   December 2, 2012 at 11:10PM
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