anyone else can answer these questions?...
what ohm are you guys running?
how often do you guys refill?
For comparison purposes:
I use a Kayfun Lite 1ohm micro. A KFL is stated to hold 4.5ml of juice. I vape somewhat heavily for the better part of the day. My vape does not leave my hand while I am driving, and that can be typically 4-6 hours a day. Add in another potential couple hours of heavy vaping whilst watching vape videos, youtube, reading, etc after work. I rarely, and I mean RARELY, make it through the work day on one tank in the Kayfun. Not to mention the rest of the day. By the next morning the Kayfun is getting dry again, so I vape almost two tanks, or close to 9ml a day. I also casually drip throughout the day when I'm feeling the need for a Boba's rush. My Kayfun doesn't actually cut it for capacity, I need the dripper for when my tank runs dry on the road. Yes I do drip and drive, with a fatty tip and a very small dripper. The dripping is mindless and requires less attention than checking the passenger side mirror. I love the setup.
Perspective:
As previously stated, I would guestimate my typical daily juice consumption to be somewhere in the 6-10ml range. Bear in mind, this is with a 1ohm single coil without adjustable juice control. The Aqua, meant to run dual coils, lower ohms, with increased air and juice flow, is obviously going to be capable of going through juice far faster than my Kayfun. Perhaps the increased vapor will afford you to take fewer puffs, and this could be a moot point. I, personally, would vape it just as much if not more than my Kayfun, and most certainly go through more juice.
Point:
This thing is going to be a THIRSTY little beast, and with the small capacity it is going to require several refills if you are a moderate to heavy vaper(why would you buy this if you weren't?). In my case, I would likely be on 3rd or 4th tank by the time I got off work. This pains me, very deeply. I have been waiting quite patiently for the next big tank, but I see the capacity being an issue in my scenario. I spend a lot of time driving at work, and driving is my prime vape time. I just can't afford the small capacity. Now of course I could cary two or three of these to work, but I think I'll hold off for the 4+ ml 22mm revision that is soon to come. Wishful thinking of course =D
Rambling:
I just have a feeling that the next version or perhaps spin-off of this one is going to be end game. I feel like this piece is a revolution in simplicity, it is beautiful, and it is the first tank to provide enough air and juice to perform like a dripper. I would pay twice the price for this piece with KFL capacity and revised studs. I've always thought that I could stop buying vape gear if a Kayfun Lite came out with a nice juice control and the option to really open up the airflow like a bored out dripper. The day has arrived, but I just can't get past the low capacity. The vape gods have delivered my dream, but as a practical joke they have given it the capacity of a CE2. This is an amazing piece and I do not want to take away from it, these are just my critical thoughts. When I saw the parts laid out in the video I was like "... that's it???" As previously stated, I am blown away by the revolutionary simplicity of this juice monster.
HOWEVER,
Give me capacity, or give me death!