So transparency often leads to people disagreeing about specific decisions, rather than greater understanding. The "okay, I see how that cross the line" is rare, and is often drowned out by "you idiots, you're wrong and bad and deserve to go to hell" or something like that.

Anyway... I full expected needing to replace the whole p trap setup and maybe more. But... for now, it looks like this adventure in plumbing was pretty straightforward.

Put everything back together and have run multiple drip tests by filling up the sink, opening the drain and letting the water rush through, and so far... not a drop. Just no idea why the original installer did it that way.

Woke up this morning to find a puddle on the bathroom floor. Not good! Traced the water back to one of the two sinks, where the undersink cabinet had a nice coating of water across the bottom, and lots of wet stuff in the cabinet.

This is probably a premature victory, but for now *achievement unlocked*: did a plumbing repair that so far appears to be working AND didn't even require buying anything new or replacing anything. We'll see if it holds. 🧵of what happened...

That means every time someone ran the sink it was likely spraying some amount of water out, even if most of it made it into the trap and into the plumbing. Step 1 was put it back in place. But quickly saw it popped out again. Very little overlap from the trap to the extension.

... move the extension down two inches, have it fit much more nicely into the trap. The crack in the extension is now beneath the washer and slipnut so doesn't matter. And the whole thing feels more solid anyway.

There was no reason that the extension was so high up in the trap. There's room for it to two or so inches down, and it was less than a quarter inch in. The tailpiece (the part the extension goes over, and which connects directly to the drain, has plenty of room, so I could just...

Took everything out, dried what could be dried, rescued what could be rescued and went looking to understand the problem. Pretty quickly saw that the extension (the part connecting the drain to the trap) was... well... not connected to the trap. The trap was just hanging loose kinda below it.

But then also noticed the bottom of the extension had a big crack that ran up about an inch and a half. So even when it was back in, it would leak. Figured I'd need to go buy a new extension and wanted to bring along the old one for sizing. Removed it and the trap. And then looked at them...