Paulo, if you do swap out the posts, don't forget that there is a peek insulator (the beige plastic bit) which needs to go between base and post. Don't lose it or you'll need to order a replacement, which is also available in packs of 5 from FT, lol!
I usually vape fruit/menthol mixes and haven't had any issues with the tanks, so you should be ok in that respect. I bought spares as I was more concerned with cross threading screwing the tanks back on given the stupid shitty airflow ring design.
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