I'm not saying mine is the best way, but its what I do...
I have three tanks - 2 mini subs and a liquinator. One if the subs has a LR carto in it, the other (and the liquinator) a 3.0 ohm carto. All Boges. I use a Provari and an ego (with the LR) alternately.
To test a new juice, I start with a...