Why You Probably Need a 40 cf Scuba Tank
If you've spent much time on a boat or hanging out at a local dive site, you've definitely seen someone hauling around a 40 cf scuba tank for one reason or another. It's that medium-sized cylinder that looks like it's caught halfway between a full-sized tank and one of those tiny emergency bottles. While it might not be the first thing a beginner buys after finishing their open-water course, it's often one of the most useful pieces of gear an experienced diver can own. ...