The Perfect Buoyancy SSI program teaches you the skills and techniques you need to optimize your dives, increase your comfort underwater and optimize the use of your equipment. Upon completion of this program, you will be awarded the Perfect Buoyancy SSI Specialty certification. Prerequisites: minimum age 10, minimum open water diver and completion of the medical questionnaire. Course. The course is divided into 2 parts: - a theoretical part with reading of the manual and review of knowledge - 2 sea dives.