What is the main consideration when mixing nitrox?

When mixing nitrox, the main consideration is ensuring the purity and the correct oxygen percentage. This is crucial because the safety and effectiveness of nitrox depend on the mixture of gases used. Nitrox is essentially a mixture of oxygen and nitrogen, and its benefits in reducing nitrogen absorption and extending bottom time can only be realized if the mixture is accurately formulated to the appropriate percentage of oxygen. An incorrect mix can lead to oxygen toxicity, which happens when the level of oxygen exceeds safe limits during dives.

Purity is also critical because contaminants in the gas can affect its performance and safety. Therefore, proper procedures must be followed to ensure that the gases used are of the right quality and free from impurities. This emphasis on purity and accurate composition directly supports safe diving practices in environments where higher oxygen concentrations are involved, such as in nitrox diving. Understanding these principles is vital for any diver who wishes to use nitrox safely and effectively during their dives.