i diy 50/50+/- 500mls at a time,, thinking about putting 10% h2o in the mix now. 24w-29w @.35Ω +/-,,,,,,i chain vape,,, but i am wondering about the temp of the coil at only a couple of seconds,, (thats about how long of a drag i take)
Just me.
But I would do a 30ml Test @ 3% ~ 5% H2O.