On 24/01/2020 19:31, R D S wrote:
Bog room was stinking at work, turns out there was a blockage but as the
pan itself wasn't backing up there's plainly scope for leakage somewhere
along the pipework under the floor.

I've unblocked it, it's all running freely, the smell has gone.
I can't decide if I can be arsed exploring, there's space issues and
much boxing in.

Just wondering what others would do?

replace the multi quick that's were I found all the smalls were coming
from in the last static caravan