I replaced my water installation some weeks ago. The copper pipes did not show build-up. I cut the pipe at the hydrofor to make it easier getting it up the stairs that was another story. I think it’s 45 years of build-up

  • Malyca@lemmy.zip
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    2 days ago

    I used to have gravity fed water that got built up like that but we didn’t even filter the incoming water and that’s why. I’m guessing with you it’s hard water.