Common Scuba Tank Sizes

If you consume a lot of air and want to increase your bottom time it s common to dive with larger tanks.

Common scuba tank sizes.

There are however smaller tanks but the reason that this size range is more common is because they are able to provide sufficient air to most divers without them being in risk of reaching the no decompression limits. 100 cubic foot or even 117 cubic foot tanks are good options for this these tanks are also popular among sport nitrox divers who stay at depth for longer periods of time. 80 cubic foot tanks are the most popular among recreational divers and are also the most commonly found tanks on the water. Aluminum tanks are cost efficient long lasting and readily available which is why they are easily the most common scuba diving tanks in the world.

Lighter than steel tanks aluminum dive tanks are easier to transport and swim with giving your shoulders and arms a break on long treks. Scuba cylinders are made either from aluminum or steel. The most popular tank size that is used by recreational divers is the ones that hold 80 to 100 cubic feet of air. The 2640 psi low pressure steel tanks are preferred by nitrox and technical divers who expect to be blending their gases using the partial pressure method.

Most recreational divers find that an 80 to 100 cubic foot tank is sufficient for their underwater breathing needs. The most commonly used rental tank is an aluminum 80 meaning a tank that holds 80 cubic feet of air and is made from aluminum. The holding capacity of scuba tanks is measured in pressurized cubic feet. Aluminum cylinders are negatively buoyant when.

There are many sizes of scuba tanks but you will find common standards throughout the industry.