It's no secret that the inventor of the float tank, John Lilly, was also an early psychonaut and used the tank for mental exploration in conjunction with LSD. Not everyone in the float community appreciates this shared history and some actively try to distance themselves from it given the taboo nature of psychedelics. 

Graham and Ashkahn share their thoughts on psychedelics and floating and how, as a business, they can be completely separated while still being important, as well as explaining why some people might reasonably decide to disassociate from them.