Once the world caught wind of Dr. Lilly's discovery, many improvements were made to his design. Filtration enhancements, improved soundproofing, and light isolation were amongst a few of the upgrades. Research began to take place, testing the mental and physical benefits of floatation therapy. The high level of epsom salt content inside the tank was shown to aid in multiple regenerative components as well. Reports began flooding the media, heralding the floatation tank as the next big thing in the health and wellness field.