No success in reducing stench enough for swmbo.No success with what? The bio stuff isn’t normally in our cassette long enough for full breakdown of solids. It is still a bit smelly but I can cope with that. It certainly doesn’t come out of the cassette smelling of clean washing! However it does allow all to rinse out cleanly.
Stealaway, Do you rinse? If so then you will probably kill off the friendly bacteria anyway with the chlorinated water. It is the reason why one should never rinse pond filters in tap water.
Do you not rinse when using bio method, so probability of turds/ paper remaining in cassete?