Hello Blake, and welcome!

Something that Jim quoted you on in the OP peaked my interest. You said that static can affect the outcome of the test. Does it increase or decrease down's fill power? My guess is that it increases it (like charges repel). How much of an effect does it have?

I'm curious because if it's a significant increase in fill power and I'm using a down air mattress, maybe it's worthwhile to encourage static by drying the fill air with a desiccant.

Looking forward to your comments,
Jim (yeah, another one!)