This is not the topic I would have chosen for my initial post, however after spending some time reading through this thread, I couldn't resist adding my 2 cents worth.
We recently purchased a second hand Escape
17A which came complete with a Thetford Porta Potti. Having never used/emptied/cleaned one before, I was unsure of what to expect.
To my relief, it has turned out to be very simple and straightforward so am a bit mystified/fascinated by some of the posts in this thread.
Here is my experience as a new 'user'
Neither my husband nor I have noticed any odour, and he especially has a highly sensitive sniffer. I use a liquid deodorizer/digester which seems to be very effective at eliminating odors, as well as breaking down solid wastes, and keeping the bowl clean and everything functioning as it should. It is environmentally safe and 100% biodegradable.
For those with toilet tissue issues: are you using RV TT which breaks down more easily than the regular toilet tissue?
We empty after about every second or third night of use, and have not had any need to be 'hands on (or in) when emptying into either a pit or regular toilet. I carefully turn the 'chimney' of the holding tank upwards and slowly invert over the toilet, letting all the contents flow out. I have not experienced splash - which is why I tip slowly. Then I add fresh water (carefully avoiding touching the water tap) via the chimney, slosh it around a bit, then pour out. That usually brings out any remaining lumps
A second rinse is seldom needed. Now, I just put in fresh water to cover the bottom of the holding tank along with some "Zyme Out", reattach the top tank, add water and "Zyme Out" to the fresh water tank, and we're good to go again (pun intended!)
It has been simple, odor/problem-free and quick.
Sorry if I was a little long-winded. It has taken longer to write about emptying/cleaning than to actually do it,