Michael V said:

captain_spalding said:

Michael V said:

How old is the sewer connection?

House was built in 1992, i believe. We got here in 2012.

OK, so not clay pipes. By description you have done most of the stuff a handyman can do.

I would suggest asking your neighbours whether they are having troubles. If they are, then problem belong local council and should be reported ASAP. Council will likely have a water-jet-cleaning truck or similar and will clean out the council mains.

Similar happened to us in Armidale. Turned out that someone upstream had flushed baby clothes down the dunny and that had blocked the council sewer just downstream from our toilet, in a sewer bend.

Hmm…interesting.

It’s the toilet and bathroom that are affected. The shower drain back up, too. Seems that the bath and the shower have some sort of link to the dunny. Some of the dunny’s burbles emerge there, too.

I’m think of pulling the dunny bowl out. Have been for a little while.The rubber collar on the outlet pipe is n desperate need of replacing, and the one on the inlet is not all that far behind it. I’ve done this before, in the Bargara house.

While the bowl is ex situ, access to the toilet pipe will be much easier. Perhaps i can learn more and have more effect then.