I get the appeal of PEX, especially for the flexibility and cost, but I’ve actually gone back to copper in a few spots—mostly because I’ve had issues with rodents AND some weird taste in the water after a few years with PEX. Maybe it’s just my setup, but copper seems to hold up better long-term, and I like that it’s fully recyclable if you ever have to redo things. It’s pricier upfront, yeah, but for me it’s been worth it for peace of mind. That said, I totally agree on sealing up those hidden gaps... found a whole stash of sunflower seeds behind my dishwasher last fall.
Copper definitely has its perks, especially if you’ve run into rodent issues. I’ve seen PEX get chewed up more than once, and it’s a pain to track down leaks in tight spots. The taste thing is interesting—some folks notice it, others don’t, but I’ve heard it can depend on water chemistry and even the brand of PEX. Copper’s upfront cost stings, but like you said, it’s solid for decades if installed right. Ever try using those metal mesh plates behind appliances? They help keep critters out of the weirdest places...
I get the copper appeal, especially with the rodent drama, but I’ve actually had decent luck with PEX—maybe I just have lazy mice? Jokes aside, I do think PEX gets a bad rap sometimes. If you use the thicker stuff and keep it away from obvious chew zones, it can last. Plus, less mining and smelting means it’s a bit kinder to the planet. The taste thing is real though... my partner swears she can tell the difference, but I honestly can’t. Maybe my taste buds are just as lazy as the mice.
The taste thing is real though... my partner swears she can tell the difference, but I honestly can’t. Maybe my taste buds are just as lazy as the mice.
Funny enough, I’ve actually run into that “taste” debate on a few jobs. Some folks claim copper makes water taste cleaner, others swear PEX is neutral. Personally, I’ve only noticed a difference if the PEX sat unused for a while—like, if it’s a cabin or a basement bathroom that doesn’t get regular flow. First glass has a bit of a plastic vibe, but after that? Nothing.
Rodents are a wild card. I’ve seen them chew through both PEX and even gnaw at copper joints (not through, but enough to cause leaks). If you’ve got lazy mice, count yourself lucky. Around here, they seem to have a taste for adventure... and plumbing.
I do like PEX for awkward retrofits, especially in older houses where running copper would mean tearing up half the place. But yeah, if you’re picky about taste or have super active critters, copper’s still got its perks. Just depends what you’re willing to trade off.
That “plastic vibe” from PEX after it’s been sitting—yeah, I’ve picked up on that too, especially in places that don’t get much use. Kind of reminds me of the old garden hose taste as a kid. But you’re right, after a flush or two it’s barely noticeable.
Rodents are a whole other headache. Had one tenant swear up and down her water line was haunted, turned out to be mice chewing through the PEX behind the drywall. Copper’s tougher, but not immune. Honestly, there’s never a perfect answer—just trade-offs depending on the quirks of your place and who’s living there. You’re not alone in weighing these things.
