Q: I want to install a soft-water conditioner in my house. My garage is preplumbed with a copper loop and I'm pretty good with home repairs, but the thought of soldering my copper pipes has me scared.

Q: Several months ago, you wrote about which plumbing pipe might be better for water lines, copper or PEX. You briefly mentioned a new tool that eliminates the need for soldering copper. I would like ...

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