Been having some difficulties with my crown tanks, well the coils. The new coils work perfect for the first day or two, then I start to get some dry hits. Not immediately, but if I take a long vape I get a dry hit towards the end of the vape. Not a nice experience. I initially thought that the coil was a dud and put in a new coil on Monday, voila! great vape. Well today the dry hits were back. Did some searching on the "interweb" and found a "solution". Use a pin (needle) and push it through the juice holes (all four) as well as at the top (through the cotton). What the hell gave it a try and ... it worked! No more dry hits, at least thus far. Any one experience something similar? On the Sigelei 150 with the crown tank, 0.5ohm coil at 65W.