I test all mixes on
rda's first. IMO nothing is better, or easier, for testing mixes or SFT's. With an
rda it is super quick and easy to yank a wick and pop in another for testing.
I will send you a couple RDA's if you want them. I have your info!
Last year
@JCinFLA pointed folks to a sale at eCig-City for the Council of Vapor Royal Hunter RDA's. They were between 0.55 and 0.75 cents each plus they threw in another for 0.01 cent. I snagged a bunch.
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I've never used any of them because, well, I have many other RDA's that I prefer. I bought the Royal Hunter's to give away.
PoV has a solid review.
Royal Hunter RDA by Council of Vapor Review