Thanks a ton for the help and convincing me to hold off a bit on my GFO adventures!Like @Troylee already mentioned, white bugs are indeed your culprit.
Never had them myself before, so my knowledge battling them is limited, but there are quite a few threads in r2r that show how others dealt with them, and I recommend reading through to get a grasp on how the treatment may look like and what would be your best approach.
I’ll look into it now and see what I can figure out