Yes @ace_d_house_cat you can use twisp juices in it. I refilled those pods once with Twisp tobacco #1 juice 8mg (50/50 ratio) and it wicked very well but FOR ME...the throat hit was not good at all...slightly dead.
So as you vape 3mg mainly...start with a twisp juice 8mg (all their 8mg are 50/50 ratio) and see how YOU like the kick. If I had to use it again with freebase nic...I would go with 12mg at least as its a very low wattage device.
Awesome, thanks bru!