I'm so freaking frustrated. Realized when I washed it BOTH mini 2 & 3 the Rings in the top part fell out. I have no extra so I took one out of an old iclear 16 I don't use but think it's way to thick cuz now it's WAY to tight & can't get Vaper, that's on my 2. Another thing that's happening is the juice, I guess u can say leaks cuz It was 1/2 full & then almost gone. I took it off & there was my precious juice inside the battery. Wasn't gushing out cuz I would've seen & felt it around the base of the PT. Why would this be? So frustrating, now down to 1 tank! Anybody know the size of mini PT o rings so I can go to hardware store? Ummm, yeah washing in a bowl... Dunno why I didn't think of that, learned now! Any help.. I'm about done with PT... Even though it's probably my fault lol.