Learn what 'serious fun' means with SSI

SSI stands for Scuba Schools International and they've been around since 1970. SSI's slogan 'serious diving. serious fun' means that they want to get people excited about scuba diving and because of their ultimate customer service, constant product innovations, a strong belief in using quality training their the fastest growing scuba diving training organization. 

^{Reference: www.ssidiving.com}