firing

Hey guys- I got a Sigelei classic 90w from a friend a couple months ago that has a Kylin tank & I've been changing the wicks, but didn't know I was supposed to change the coils as frequently.. He never told me anything about that. A couple weeks ago, it suddenly stopped firing correctly. Taking...

Hey, so for christmas I got my girlfriend an Ijoy Captain with a Crown 3 tank, after some research. So far she loves it to heaven, yet I noticed a little bit of a problem (it isn't one in her eyes but as I'm the gifting person here it kinda bugs me). Problem is, everytime she wants to lock it...