"more tape definitely doesn't equal better sealing."
Been there myself—thought plumber's tape was foolproof until I flooded the cabinet. Now I stick to sealant for metal fittings and tape mainly on plastic threads...seems to hold up better that way.
Totally agree with you on the tape vs. sealant thing. I learned the hard way too—thought wrapping extra layers of plumber's tape would magically fix a leaky metal fitting under my sink. Nope...ended up with a slow drip that soaked through everything overnight.
What I've found works best is to first clean the threads really well (a quick wipe-down with rubbing alcohol usually does the trick), then apply a thin layer of pipe thread sealant evenly around metal fittings. For plastic fittings, just a couple wraps of plumber's tape is enough—too much and it bunches up, causing leaks instead of preventing them.
Also, one thing people often overlook: make sure you're wrapping the tape in the right direction (clockwise) so it doesn't unravel when tightening. Learned that one from an old-timer at the hardware store after my own DIY disaster.
Anyway, sounds like you've got it figured out now. Good luck with your next plumbing adventure...hopefully no more flooded cabinets!
Good tips there, especially about cleaning the threads first—makes a huge difference. One thing I'd add is to double-check fittings after running hot water for a bit. Metal expands slightly when heated, and sometimes a fitting that seemed tight at first can loosen up just enough to drip again. Learned that one after a frustrating callback job...nothing worse than thinking you're done and then seeing that slow drip return.
Good call on the hot water check—I've definitely been there with the sneaky drip returning after everything seemed perfect. Another thing I've found useful is to wrap the threads with plumber's tape (Teflon tape) in the right direction, clockwise, before tightening fittings. It helps create a better seal and reduces the chances of leaks later on. Also, don't overtighten fittings—it's tempting to crank them down hard, but that can actually damage the threads or washers and make leaks worse.
One more thing: after you're done, place a paper towel or cardboard under the fittings overnight. Even tiny drips are easier to spot this way, and you'll know for sure if you're good to go or if there's still a minor issue to tackle. Learned that trick after a tenant called me about water pooling under the sink...turned out to be a super slow leak I missed initially.
Good tips all around, especially the cardboard trick—I learned that one the hard way myself after waking up to a soggy cabinet bottom.
"Also, don't overtighten fittings—it's tempting to crank them down hard, but that can actually damage the threads or washers and make leaks worse."
This is spot-on advice. I used to think tighter meant better until I cracked a plastic fitting and had to replace the whole thing...not fun. Another thing I'd add is to double-check your washers and seals before reinstalling anything. Even if they look okay at first glance, sometimes they're worn just enough to cause headaches later. If you're on a tight budget, replacing those small parts upfront can save you from calling in a plumber later on.
In my experience, DIY is usually manageable for minor leaks or faucet swaps. But if you're dealing with persistent leaks or plumbing that's older and corroded, sometimes it's worth biting the bullet and getting professional help. It might sting your wallet initially, but it saves you from bigger disasters down the line.
