| It is well acknowledged that the scuba diving tank is | | | | great deal less prone to rupture or puncture, denting |
| a canister that supplies air to the diver while | | | | or scratching. Modern-day steel tanks are to a great |
| underwater. But further to performing that | | | | extent nearer in weight to aluminium ones, as they |
| apparently simple, singular role there is much diversity. | | | | can be prepared thinner while maintaining ample |
| For a plane metal cylinder, diving tanks have an | | | | stableness. More significantly, the threads on the neck |
| astonishing number of variations. | | | | of a steel tank are much less liable to get exposed |
| With the exemption of certain exclusive models, all | | | | from constant replacement of the regulator kit. |
| dive tanks are prepared from either aluminium or a | | | | Although a steel cylinder can rust in the shape of iron |
| steel alloy. Specialized sport diving, military applications | | | | oxide, aluminium can corrode as well, creating |
| and technical diving will occasionally use a chrome | | | | aluminium oxide. Neither is of serious risk to your |
| molybdenum alloy. All styles have their own positive | | | | health, but both ought to be maintained at regular |
| and negative points. | | | | intervals to abolish any contaminants. Aluminium will |
| Aluminium tanks are the lightest, although the notable | | | | need this at less frequent intervals. |
| difference below water is minimal. The disparity | | | | The vast majority of dive tanks hold approximately |
| becomes more significant after taking into account | | | | eighty cubic feet of compressed air. A variety of |
| the amount of effort that's involved in shifting them | | | | outsized models do exist, for those larger divers or |
| between dive trips. Aluminium air tanks also | | | | anyone that needs an extra large capacity for |
| commonly have positive buoyancy that may need to | | | | extended dives. |
| be remunerated for with the addition of weights. This | | | | Auxiliary tanks, most often referred to as pony |
| detail somewhat puts a stop to their lighter weight | | | | tanks are needed as a back-up in case the main is |
| advantage verses that of the steel tanks. | | | | emptied or fails. Auxiliary tanks can hold |
| Aluminium tanks are typically less costly than steel | | | | approximately sixty-five cubic feet of compressed air. |
| and more widespread, but the latter are likely to | | | | Pony tanks tend to be secured with a separate belt. |
| have a longer shelf life. Suitability maintained steel | | | | Any scuba diving tank, suitably cared for, will last for |
| tanks can last thirty years or more. Many dive stores | | | | many years of dependable service. Bearing in mind |
| will decline to fill an aluminium tank over fifteen years | | | | what actually depends on it; take the time to |
| of age. | | | | research your acquisition carefully. |
| Steel dive tanks were by tradition heavier, but a | | | | |