On Sat, 17 Oct 2015 16:44:01 +0000, SoloMan
wrote:

replying to hrhofmann , SoloMan wrote:
The sludge has been cleaned out. The ROTO ROOTER guy is leaving me with a
gallon of some stuff to pour down the toilet to help prevent future issues.

Are these low flow toilets?

I found that if you don't flush twice or wash your hands, that 1.6 GPF
is not enough water to move the load all the way down the pipe.
That is particularly true if you have women who use a lot of paper.