For those of you who haven't figured this out yet, the Johnson Su Bioreactor is a big stand up worm bin.
TWO PRIMARY STEPS:
Step One- Create a large mass of semi-composted material for the worms to feed off of.
Step Two- PURPOSEFULLY ADD WORMS when the pile goes below 80 degrees.
Only then will you get the bacterially & fungally rich clay-like product that is the result of worm castings.
It should look like this-
There is at least one self-styled so-called garden expert trying to redesign this bioreactor without the bottom palleting & without the landscape fabric. It won't yield the very specific results Drs. Johnson & Su designed the bioreactor to create.