I'm going to attempt this. But what about rehydrating the mycellium cake before birthing ? All modern variations of the of tek including grow kits utilize this as it's been found to increase flush size. As while the mycellium grows JTS depeltes the cake of water and needs rehydrated before birthing.

Would it be OK to fill the bag with water and let soak for 24 hours or pull the cake out and dunk before placing it into the other bag to birth?

I see no reasons why not. Just thought I'd add that.