"This is an excellent package that you can basically customize to your heart's content. Once you go VV you very likely won't want to go back to fixed voltage devices, except in emergencies

" - Oktyabr
Thanks a million for that. Straightforward advice which I plan to heed. The only reason I haven't graduated to VV is because it seems too technical to me. But if it can help make the tanks I have work better - hot damn.
PS - I notice a LOT of Kanger advocates on here, so I went to quantum vapor and got a Kanger Pro Tank. I wanted some liquid to commemorate the purchase, and I noticed they make you choose the PG/VG ratio. I had no idea, so I chose 60/40. Does anyone know what the "normal" ratio is in the fluid one buys at a local smoke shop, say, or off of the Apollo website? Is 60/40 in the ballpark?