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HandsOnGeek t1_j3ittda wrote

Reply to comment by Life-Cow-7945 in washer for toilet ballcock nut? by Life-Cow-7945

I'm noticing you aren't mentioning a shut-off valve.
That's a problem. There should definitely be a shut-off valve between a supply line and a toilet. If you haven't got one, then you need to put one there. There will be a purpose-specific connector line between the shut-off valve and the toilet that will seal perfectly on both ends.

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Life-Cow-7945 OP t1_j3iv1wp wrote

I do have a shutoff valve, no issues with leaking there

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HandsOnGeek t1_j3j5dpt wrote

Did you check the making surface of the connector to the toilet before you coupled the line to it?

I once paid extra for a toilet flapper rebuild kit with the new seat because it was still leaking after I replaced the old one. It turns out there was just a hard water deposit stuck there that caused the new flapper to not be able to seal. I picked it off with a fingernail and cleaned it with white vinegar and it worked perfectly.

A quick scrub with a descaling cleaner like lime-away or CLR on a soft cloth could remove a nearly invisible deposit that is preventing a watertight seal.

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Life-Cow-7945 OP t1_j3j5if8 wrote

I like this idea, I'll give it a try, the toilet was in use before

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