dDUBb
Seasoned Veteran Poster

Sweating pipe ain’t hard, mine ain’t pretty but it don’t leak.
We have a saying in my field .. "If you're not getting leaks, you're not soldering"

Last year thr flex copper on the water heater developed a pinhole and I was like well it was a fluke.
If you're developing pinhole leaks; you should test your waters pH. It will leak in the slab eventually.