what’s the best deck for it in your opinion?
Kinda depends on what I'm in the mood for. I have both dual coil decks, the standard parallel and the series deck. Of course your wattage will have to be adjusted between the two even with identical builds, because the dual build in the parallel deck at .10 ohms will be .40 ohms on the series deck, but you must take into account that the coil mass and surface area is the same. As example where you run you're parallel deck build at 70 watts, the series deck will not perform similarly until approximately 140 watts. So in voltage terms; if you run the parallel deck at 3 volts, you'll run the series at 6 volts. Now, all that being said, all things being equal between the two decks, the parallel deck provides a warm/hot vape, medium saturation, phenomenal in your face flavor, and top end clouds. The series deck provides a cool/warm vape, heavy saturation, smooth and mellow flavor without being muted, and respectable clouds, but noticeably less cloud than the parallel. So, as you can see, it will heavily depend upon your vaping style, desired results, and a little more advanced understanding of not only Ohm's Law, but a smidge of thermal dynamics as well. Series build decks are a feature, in electrical terms, that even advanced vapers have limited experience with. Me personally, I'm a "mood" vaper. It depends on my mood as to my desired vaping style.
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