If you had said anything to me about Blue Tang many years ago I would have thought you meant a new colour and flavour of the popular drink Tang from back in the day. As children packages of this stuff would disappear from our parents cupboards, smuggled in our bags and into school where we shared this yummy powder as a sweet "tangy" treat with our classmates. I can just see my two nieces now laughing at me with the thought of this being considered a yummy treat lol........ No