Load your reels, drop onto spindle and stick them in a dark drawer, old paper envelope etc that it safe to keep out light. Lights on for a bit
Have your e-6 chems tempering, and up to temp. Take the tank and funnel, fill it with tempering water, and drop it into the tempering tank for a few seconds to pre warm it. Drain it. Turn off lights, and promptly drop the spindle and reels into it. Click light lock funnel into place, and stick the swirly agitation stick in Pour in first developer, start timer, and lower the tank into the tempering bath.
Swirl agitate. Inversion agitation with the funnel area found in this tank type can lead to loss of developer activity due to aerial oxidation. Pull tank from tempering bath to drain it.
Paterson tanks can work better than stainless, at least in the speed with which they can be drained and filled.
Good processing!