I just can't quite get my head around this 'adding extra on top' malarky. for example - "will aid in wicking"? to me, that means the same as "the wick is no good without an extra bit on top" which also means, well to me anyway, that the wick was crap, so to make a crap wick better, but more on top.
and also "soak up any excess juice" which, to me anyway, means that excess juice is getting on to the coil, which, again, equates to a crap wick that's not doing the job in the first place.
I know loads of people lay extra wicking on top of their coils, and some even swear by them, but I much prefer to use a wick/coil that works in the first place.
The Taifun needs a fairly thick wick, to fill the slots. You can, in reality, only achieve that, during extended use, with silica or eko/voodoo. Cotton is great, but as every user of cotton wicking knows, it does compact and "felt" after a short time of use, which is OK if you don't mind shoving a new bit in every day, which is great for drippers, but I like shoving a new wick and coil into a tank device, and do nowt else until I put a new coil in two weeks later.
I used cotton in the Taifun, for a while, a few months back, and it was OK, but I gave up and went back to ekowool because I realised that I was fast becoming a slave to cotton balls.