Crack in bulk head threads on return.

Discussion in 'New to Saltwater & Reef Aquariums? Post Here' started by Wick, Mar 14, 2019 at 5:12 PM.

  1. Wick

    Wick Member

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    Everyone here is so helpful! Will this be ok with the crack? I havent tried it yet. This is the return to the tank in the bulkhead. 0314191657_Film4.jpg
     
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  2. Flippers4pups

    Flippers4pups Fins up since 1993 R2R Supporter R2R Excellence Award Reef Squad Leader Reef Tank 365 Build Thread Contributor Hospitality Award

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    It maybe okay. Is it glued in?
     
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  3. Sod Buster

    Sod Buster Active Member Build Thread Contributor

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    Screenshot_20190314-171821_Amazon Shopping.jpg I would get a new bulkhead and some liquid teflon to put on the 90 you threaded in deep. The teflon dope might save you with the crack though right now.
     
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  4. Wick

    Wick Member

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    no threaded in. I have tape on it too but feels a little loose. =(
     
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  5. Wick

    Wick Member

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    oh shoot! i have something like this too but i think its only for metal
     
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  6. Wick

    Wick Member

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    0314191726_Film4.jpg
     
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  7. Wick

    Wick Member

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    recommended materials says CPVC but not PVC... hmmm
     
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  8. Wick

    Wick Member

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    says it never dries so maybe not good for fish
     
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  9. Sod Buster

    Sod Buster Active Member Build Thread Contributor

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    Don't use that you have. This. 15525990206407152139002942428838.jpg 15525990582041439345250912840686.jpg
    That is threaded, so it will not be in the fitting itself, just clogging up the gaps in the threads. Or get a slip bulkhead and glue it.
     
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  10. Mastiffsrule

    Mastiffsrule Well-Known Member R2R Supporter

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    The dope you have, it is for metal I think. Check the label. if the bulkhead on the return is threaded in it needs to be replaced.

    Check this out. Explains all about pvc threaded.
    http://www.lascofittings.com/threads
     
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  11. Wick

    Wick Member

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    i think im just worried about replacing it lol
     
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  12. Wick

    Wick Member

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    where can i just buy a replacement for that then? i think that this would just be the best way to be safe cause upon further review i see more cracks. =(
     
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  13. Mastiffsrule

    Mastiffsrule Well-Known Member R2R Supporter

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    I highly suggest replace it. Best do it right now or possible have an emergency later. There Are several concerns here. The fitting will be under pressure as a return, the bulkhead is cracked, and it has thread tape which should not be used.

    I used to think tape was ok too, but read the link to LASCO and it makes a great argument on why not to use tape, why it cracked, and how to do it right.

    Just want to be sure we don’t wind up with water on th floor.
     
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  14. Wick

    Wick Member

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    i feel the tape did it as well
     
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  15. Mastiffsrule

    Mastiffsrule Well-Known Member R2R Supporter

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    Bulkheads from online vendors, also maybe local plumbing supplies stores. I once found 3/4 inch bulkhead at homedepot. But I think that was a stoking error:)
     
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  16. Wick

    Wick Member

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    0314191749_Film4.jpg
     
  17. Wick

    Wick Member

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    What about if i cut the end off with a dremel wheel?
     
  18. Wick

    Wick Member

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    didnt even think about this
     
  19. Orko

    Orko Member

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    Al of the "dope" you have shown in pics never hardens and I would not use t on a an aquarium. The Teflon tape is a good try you could cut it shorter with dremmel however you take the chance of the threads getting messed up..
     
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  20. Mastiffsrule

    Mastiffsrule Well-Known Member R2R Supporter

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    I used this. The only thing is it is also a lubricant. LASCO says it should not have lubricant to avoid over tightening and cracking. I just was careful

    [​IMG]
     
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