Since I noticed the lining up of the air flow holes I've also loosened the tank abit to get the coils to line up.
Can you please provide the link to the thread where they mention about sanding down the base/top.
Thanks.
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https://www.e-cigarette-forum.com/forum/threads/aromamizer-rdta-by-steam-crave.687100/page-67
3rd post on the page. Couldn't find the original. Hope it helps. Just need some smooth water paper and sand it 2 strokes and check it. Rinse and repeat.