Hello guys, i need help with kayfun 3.1, i keep always getting strange taste from it, sometimes its really bad. My kayfun is cleaned well, there is no hotspots or hotlegs. What can couse the bad taste? Im using cotton from vape shop, tried to wick coil thinner , thicker but its keep giving me same strange taste, few times it was good until i had to change the wick, after i changed it its started to taste bad. I dont understend whats going on 
Sorry for my English.
Sorry for my English.