Talk of The Villages Florida - View Single Post - Black Toilet Bowl Ring - Why?
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Old 03-01-2025, 04:20 PM
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Quote:
Originally Posted by RICH1 View Post
maybe just maybe it's the black bladder failure, in your expansion tank.. 60.00 bucks common fail
Rich, I agree but since this is cold water line not hot I doubt it.

But they fail all the time we see several a week that need replacing

they only last on average 3-5 years, good idea to check the bladder with a tire gauge they should be about 5-60 psi every 4-6 months

When they fail the water pressure increases in the entire house