72mg always available on Ebay from numerous sources - and also numerous websites in the UK. I think that as long as it isn't explicitly sold as for vaping, it's legal. Although numerous websites do sell it as explicitly for vaping, in the UK. I don't think people care about the TPD too much - until someone gets absolutely roasted in court over a death or something.
Illegal to supply not buy ZouNo, it’s definitely unlawful for consumers to buy it.