Originally Posted by Hellbentexan
I think my inexperience is showing....what i meant to ask was ... would i be able to use a 68/3000 and 68/4500 on my LE??? I have a 68/3000 tank right now, if i were to buy something new like an Vic or Ego could i still use it or do i have to get a new tank?
Yes, neither one of those markers REQUIRE that you use a LP tank.
Bob Long recommends that you use LP on the Vic, but it isn't required and I don't on mine.