Hi! I'm a big cinnamon fan, but it can ruin some of your gear. It's one of the flavors (probably the worst from my experience) that degrades polycarbonate and acrylic. I'm just butting-in so anyone not aware of the problem won't lose clearos, vivi novas, tank caps and drip tips like I did. I still vape it (and love it) just in glass or polypropylene tanks.
Vivi min nova (L-cinnamon, R-new):
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Acrylic tank caps (L-new, R-cinnamon):
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