mom and pop store

[Jim Bob]

what exactly is a sub tank? I use a Kgo As well and would like some new toys to try out with it!

Here ya go!

Tanks - Mom and Pop Vapor Shop

VERY good tanks IMO , I really like mine though still on first carto after 3 weeks or so, as for changing carttos I have no clue yet on how simple it is or isn't, sure doesn't seem like a "chore"