Watching a review (not so much for the opinion of the reviewer but a how to about using it) can be greatly helpful.
Is it your tank or your coil that is stuck? Sometimes, eliquid can cause pieces of a tank to get jammed, or make things hard to remove. If your tank is tight, you can try running it under hot water (or alternately putting it in the freezer) and can use rubber gloves or rubber mat to help you grip. If it's the coil itself, it may be screwed in too tightly. again, some warm water may help (I am assuming the coil is burnt which means you need to clean the tank in any case. Just make sure you detach it from the mod if you're starting to run warm water through your tank.
Best of luck, and welcome to ECF. Sorry, I don't know that tank, but I'm sure the review should help.
It's also great if you return and let us know how the solution worked out. It can help other members and new members who may be facing the same issue and then it can turn up with a search and etc..
Anna