I am very new to vaping and decided to get something other than my Kangertech starter kit. So I got the Uwell Crown tank after so many rave reviews about the flavor for Christmas. I prime the 0.25 coil (according to the instructions of a youtube video) and let it sit for a few hours. I slap the tank onto my rx200 mod, set it 30 watts, and I start to gradually up the wattage after taking a few short hits. After the initial "new coil taste" I don't taste anything. I have it set to 85 watts atm, and the taste is almost non-existent. Changed juices and still nothing. I even tried different pg/vg ratio ones as well. Thinking it was "vapor tongue" I stopped vaping completely for an entire day (so very hard to do). The result was the same. Thinking I had defective coils, I bought a 4-pack of 0.25 coils and they seem to perform the same. I would test the juice on my old Kanger, but the tank is broken hence why I got the crown. Do you guys think this is a defective unit? Sorry for the long post, wanted to give all the relevant info. TLDR: Primed the 0.25 coil, but getting no flavor. Tried switching juices and stopped vaping for a whole day to see if that helped. New pack of coils produce the same result.