I have a aspire nautilus atop a Tesla. I vape a lot all day. Normaly my coil would last me a week but all of a sudden my coils are burning out way way fast. For example put a new coil in and with in 2 hours little vape and major burnt taste. im only getting at most 2 days from a new coil. I normally vape at 9.5w but i have turned it down to 8.5 and still going throw coils like packs of cigs. Any ideas?