That’s been my experience too. Getting the chain just right is weirdly finicky—too tight and it won’t seal, too loose and you barely get a flush. I’ve...

Mixing valves really can be sneaky culprits—I've had to double-check mine a couple times after a houseguest “helped” out. Don’t feel bad; even seasone...

Honestly, I’ve yet to find anything that totally beats the old paint pen for copper, but even those can fade if the pipe sweats enough. I’ve tried cle...