hi all, i have had my cool fire iv plus for about 6 months i use a crown tank and use elements pink lemonade at 3mg, ive had my uwell crown tank for around 2 months it worked fine and was performing amazing the coils i use are 0.5 ohm and lasted for about 3 weeks.... now all of a sudden 2 months after perfect use ive been through 3 coils in 1 week with my tank getting hot very quickly? and coils burning... all the juice and coils are from the same shop that is rated highly and is always packed... my cool fire iv plus is reading it at 6.0 ohm upto around 6.4 ohm when it used to be perfect reading of on 5.0 ohm could it be my mod? or does anyone have any clues thanks alot!