The premade i use:
Rebuildable Atomizer Coils - Avid Vaper
Its tightly wrapped with no spaces between.
I still am getting harsh hits and i have to just stop using it. I'll definitely look into the cotton its seems cheap and i'm planning to learn how to build them as soon as i go through the 5 pack of pre mades.
The first hit i take is very good, then it slowly declines and by the 4 hit, its harsh and gross. It does sound like a wicking issue since it gets better when it sits for a little. which im thinking its soaking. This is so frustrating.