Here's some food for thought:
my wife and I mixed some juices on my truck. I had her make max vg base, 6mg nic which I ordered in 50/50. we mixed almost a dozen flavors at 12% flavoring (all were single flavors from FW). We shook and tried them and most scratched our throats pretty bad. Steeped almost a week and most of the ones that scratched before, still scratched, but a couple didnt.
our first batch of fluids were mixed with 18% FW single flavors (yes I found out its a LOT). We then heated each individual flavored juice in the microwave for 3 seconds at a time, shaking between each round, for 3-4 rounds. they tasted great. After steeping, one of the 18% flavored jucies got to be way too strong, but the other was REALLY good, in your face clouds and flavor.
Our third batch which I made yesterday contained flavor percentages as recommended on this spreadsheet:
https://spreadsheets.google.com/a/o..._hQ6Fu8HdEwwR2dLRUJlVjlabEN1NG1ucktuUVE&gid=7
We microwaved them for 3 rounds at 4 seconds each, shaking in between. Most of the FW flavors I used this time were mediocre at best. We are going to steep them for about 2 weeks to see what happens with them, but I am not expecting them to improve by much. I did make one from FA I think, sweetangy, and added a sweetener and sour component and its very good. I think for us, the microwave-shake method we are using really makes a difference right off the bat.