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Black copper pipework

tony3619
tony3619 Posts: 431 Forumite
Tenth Anniversary 100 Posts Name Dropper Combo Breaker
edited 24 March 2024 at 5:38PM in In my home (includes DIY) MoneySaving
Hello 

Noticed some pipework under the sink had become black in places. 

At first I thought it was severe scorch marks from when it was installed 7 years ago but I can scratch it off even with my finger nail to reveal the brass underneath

Also no sign of leaking   

Any ideas? 

Comments

  • justwhat
    justwhat Posts: 724 Forumite
    Fifth Anniversary 500 Posts Name Dropper
    cold feed ? condensation creating discolouration 
  • FreeBear
    FreeBear Posts: 18,306 Forumite
    Tenth Anniversary 10,000 Posts Name Dropper Photogenic
    Cold water pipe ?
    Probably condensation, and mould growth. Just give it a wipe over once in a while.
    Any language construct that forces such insanity in this case should be abandoned without regrets. –
    Erik Aronesty, 2014

    Treasure the moments that you have. Savour them for as long as you can for they will never come back again.
  • tony3619
    tony3619 Posts: 431 Forumite
    Tenth Anniversary 100 Posts Name Dropper Combo Breaker
    justwhat said:
    cold feed ? condensation creating discolouration 
    Yep, it's the pipe for the main stopcock 
  • Eldi_Dos
    Eldi_Dos Posts: 2,651 Forumite
    Sixth Anniversary 1,000 Posts Name Dropper
    If the flexible discharge pipe is carrying warm/hot water that could be adding to condensation, especially if touching waterpipe.
    Play with the expectation of winning not the fear of failure.    S.Clarke
  • coffeehound
    coffeehound Posts: 5,742 Forumite
    Part of the Furniture 1,000 Posts Photogenic Name Dropper
    Could be soot from the time it took the blowtorch to melt all the solder
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