Hi.
I've experimented a little bit with discharge waterbased inks (Wilflex Oasis NF series) and black bamboo Earth Positive's tees and generally it works
I don't think that there would be any problem with white tees and regular wb inks as well.
I've experimented a little bit with discharge waterbased inks (Wilflex Oasis NF series) and black bamboo Earth Positive's tees and generally it works