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Thread: Green slime inside pipe

  1. #1
    DIY Member casman's Avatar
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    Default Green slime inside pipe

    Well, my wife was complaining about having to drag the hose half way around the house to water the flowers. Thus, I grabbed a big drill bit and drilled for a new spigot. As I was tapping in for the supply, I dryed out the line with a rolled up paper towel and it came out covered with green slime...I have all copper, what is that stuff? Any cause for concern? City water...

  2. #2

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    The green is most likely just oxidation. It's a natural reaction of copper in the presence of water and oxygen.

    I'd be more concerned that you cut into your copper supply with a drill bit. How are you planning to 'tap into' the line? Please don't say 'saddle tee".
    (important note: I'm not a pro)

  3. #3
    DIY Member casman's Avatar
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    No, I didn't. I used a 1 inch bit to drill 13 inches through from the outside of the house to the basement,for the frost freespigot. A saddle T, would that have worked? Just kidding. I did however screw up as the threaded 3/4 to 1/2 reducer leaks with a drop every 1/2 hour. Guess I'll have to redo it.

  4. #4

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    Did you tape the threads? Wrench tighten?
    (important note: I'm not a pro)

  5. #5
    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    I'd be concerned if the green slime was really slimy. That sounds like more than oxidation, more likely algae of some kind.

  6. #6
    Plumber plumber1's Avatar
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    I would guess someone was really sloppy with the flux the first time around.

  7. #7
    DIY Member casman's Avatar
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    Quote Originally Posted by plumber1
    I would guess someone was really sloppy with the flux the first time around.
    Well, I'm unsure if its algae or if the person before me was a sloppy fluxer, it is a real green color so I don't think its algae but is there a fix for either? What is a sloppy fluxer? I did wrench on the connection to the spigot but ended up redoing it and now there is no leaks...

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