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SvennoJ said:
EricHiggin said:

Had a similar kitchen plumbing problem earlier this year.

Take the drain snake out of the rotator and shove the smaller end down the drain pipe. It will go around the corner easier and will punch a hole through the clog easier. My clog was just prior to the corner and stretched into the corner. I think I pushed some of the clog into the corner making it a bit worse initially as I tried to twist and pull it out.

After some pushing a twisting, I poked a hole through the clog. Did that over and over, stopping to try some water down the drain and it kept getting a bit better, until it didn't anymore, and could tell it was still clogged some. Ended up getting the garden hose and nozzle and stuck it down the kitchen sink, clogged the gaps with rags, then opened the nozzle. Only took maybe 10-15 seconds and the pressure let loose and the clog was gone.

If you can't use a hose or put pressure on the pipe (air pressure can work too), maybe try switching back to the regular auger end and try to twist and pull out what's left. Once you've punched some holes and loosened the clog up it should be easier to auger and remove.

I finally got all 50 ft of 1/2" steel drain snake in, twisting, pulling, pushing. And it slowly started going. It is/was at least 40 ft from the access under the sink. While moving it up and down you can hear it in the ceiling the floor below :/
This thing https://www.canadiantire.ca/en/pdp/cobra-galvanized-drain-auger-with-speed-grip-handle-1-2-in-x-50-ft-0632751p.html

There's a hole it the clog now, so tried with boiling water, dish soap, drain cleaner to dissolve more to get it going. It must all be sitting in a large horizontal section, then bunching up at the corner. Who ever build this house made plenty mistakes. 

I tried pressure first, plugging all the holes and plunging. That's when I apparently overpowered the drain from the dishwasher and all the water came up in there then started pouring out on the floor doh. So a hose likely won't work either.

We had the worst when a plumber used his high pressure hose for the outside connection (plugged 3 times since we moved in, third time we had a contractor and the county rebuild our connection to the street sewer). All the shit literally hit the fan, the entire room had to be decontaminated. (Flooded too, floors were just done, not long after we moved in) Lucky this is just kitchen stuff, probably grease build up over the years. But 3rd time now, annoying.

Anyway I'll see in the morning how it runs, probably need to snake it some more.

If the clog is solid enough, water or air pressure very rarely works, even with boiling water. Now if the clog allows water to drain slowly, especially if you've punched some holes in it, then some really hot, if not boiling water, with water pressure from a hose, will usually be enough to unclog the majority of it. Best if the hose water is really hot as well like from a sink tap if it has a garden hose adapter. The heat will cause the pipes to expand a bit and the water pressure will cause swirling around the clog gaps/holes and will loosen it up even more and cause it to come apart. It's best to block any other pipe openings on that run of pipe so the pressure isn't relieved elsewhere (like at another sink) while trying to clear the clog.

My present place is only a decade old and the plumbing job that was done is sad. I've done a bunch of work to it this year. Luckily the basement isn't finished so it was easy to get to. They couldn't even get the level of fall correct. Most runs had way to much fall where they began and had negative fall before they reached the collector run. They only had about a third of the hangers they should've, so the pipes all have bows in them all the way down the runs. Once I cleared my kitchen run that's when I checked and realized how poor the fall was. Adding more hangers and correcting the fall as much as possible looks to have solved the kitchen run problem, as well as another much worse potential problem I believe I would've eventually had from one of my toilets due to negative fall and lack of support. Sometimes you just gotta do it yourself if you want it done right.



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