What is a Nitrox tank wrap primarily used for?

The primary purpose of a Nitrox tank wrap is to label the gas mixture accurately. Nitrox, which is a blend of nitrogen and oxygen, is utilized in recreational diving to extend bottom time and reduce nitrogen buildup in divers' bodies. The wrap serves as a critical safety feature that clearly displays the oxygen percentage of the gas mixture contained within the tank. This is essential for divers to quickly recognize what gas mixture they have, as diving with the wrong mixture can lead to serious risks, including oxygen toxicity or decompression sickness.

While other functions such as enhancing visibility or providing a level of protection against damage might be beneficial features of the wrap, the main focus is on accurate labeling. This allows for immediate identification before the tank is used in a dive, ensuring divers can make informed decisions about their dive plans based on the specific characteristics of the gas they are using. Additionally, correctly identifying the mixture helps prevent errors in gas-switches during multi-level or technical dives.