Common Scuba Tank Sizes

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.

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. 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. Scuba cylinders are made either from aluminum or steel. Lighter than steel tanks aluminum dive tanks are easier to transport and swim with giving your shoulders and arms a break on long treks.

Standard psi in an aluminum scuba cylinder is 3000. The most common service pressures seen in modern scuba tanks are 2640 psi 3000 psi 3300 psi 3442 psi and 3500 psi. 80 cubic foot tanks are the most popular among recreational divers and are also the most commonly found tanks on the water. 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.

Aluminum cylinders are negatively buoyant when. 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 holding capacity of scuba tanks is measured in pressurized cubic feet.