I've vaped DIY Root Beer, Lemon, Lime, Orange and Grapefruit in plastic toppers from CE-2's and Vivi-Nova's to Kanger Subtanks, Orchids, Kayfuns, and only had a problem once.
It was a CE-4 style (exact model escapes me) and I didn't like it's performance anyway. Tossed it and didn't look...