What's crazy here is the variance between lots of garments. We have literally had direct opposite experiences as many I've seen posted. For instance, Tultex hoodies discharged well for us but revealed a pattern in the garment weave so they're no go in here now and the blends have always discharged stunningly well for us, exact opposite of eric's experience.
It's kind of maddening and, when you get down to reality, discharge is not the way to go on designs printing on a wide variety of fabric types.