Remember that holding the button down does nothing but deplete your battery until you start drawing. I tend to use a 10 second preheat, but if the battery is fully charged this is overkill.
As for draw speed, pulling hard will cause centre-burning. I prefer to use the gentlest draw that produces vapour.
As for draw speed, pulling hard will cause centre-burning. I prefer to use the gentlest draw that produces vapour.
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