“Tank factors? Aren’t those things people should consider when purchasing a tank? Things such as size, color and buoyancy characteristics?” This was asked by an employee at a local dive store when he overheard me talking about dive planning. It didn’t really surprise me at the time as not many people have heard the term tank factor. The truth is, tank factors are a critical part of planning our dives and divers should have an understanding of what they are in order to plan their dives properly. [Read more...]