I was wondering what voltage people set theirs too.
This depends on the kind and resistance of the
juice attachment I'm using and the juice I'm using (some are thicker than others, some have more delicate flavors than others, etc.). The great thing about having variable voltage or variable wattage, or both, is being able to choose the setting that results in the best flavor and vapor.
A
chart such as this can be a handy guideline when starting out. Let's say you've got a juice attachment with a coil at 2 ohms resistance. You might want to start at around 3.4 volts (which would be almost 6 watts), which is clearly in the "green zone," and gradually increase the voltage until you find the best flavor and vapor results for the juice you're using.
But remember this: the chart's "green zone" is a general guideline. The relationship of ohms/volts/watts is a matter of fact, but what tastes good varies according to personal flavor preferences.
Also, if I remember correctly, the vape store owner described variable watts to be like a manual transmission (have to choose a gear) and variable volts to be like cruise control.
He probably said that VV is like manual and VW is like automatic. I don't think this is the most apt analogy, personally, but I get what he means.
Go back to my example above. Let's say you're really enjoying a peach flavored juice on a 2 ohm coil at 3.8 volts (this is hypothetical, of course-- you'll have to find the sweet spot for yourself). That's just over 7 watts. Now imagine that you change to a 2.5 ohm coil because that's what you have handy, but you still want similar results from your peach juice. You could work your way up to about 4.2 volts yourself, or you could just set the device to 7 watts. When you set the wattage on a variable wattage device, the device figures out how much voltage you need to combine with the coil resistance to get the the desired wattage.
Sometimes people will say that variable wattage is a "set it and forget it" option. That's only true to an extent. If I know I like peach juice at 7 watts, I can set it to 7 watts and forget it. But I won't necessarily like a different flavor/brand/ratio at 7 watts. In that sense, nothing is "set it and forget it."
