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That's very clever. Reminds me of doing plumbing with copper piping and using bread to stuff the pipes before soldering them in order to not have the leftover water flowing to where you are soldering, making it impossible.

You're a genius. Absolutely. That's such a good solution! I had considered using a rag or something, but I was concerned about it getting stuck around a bend, as well as the awkwardness of rolling it up just right. If you overheat the pipe, the bread will just burn off harmlessly, and if it gets stuck, you could just turn the water on and it'll dissolve it or pop it out.

Thank you. There's an awkward pipe in my bathroom whose shut-off won't quite close enough. My wife will be so thrilled.

Oh I’m no genius. This was a trick someone told me after I spent 6 hours on a single horizontal joint. (Fortunately?) I haven’t had a chance to try it. I also don’t know what would happen if the bread headed straight for your water heater. But aside from that, I do think this is a valuable trick. Hope it works for you!

Luckily, the joint I've got to deal with, the worst case is that the bread would end up inside the faucet and might require a bit of cleaning. Seems like just running some water through it aught to dissolve the bread and let things carry on. I'll use crappy white bread to make sure it's easily dissolvable :)

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