What major consideration should be taken into account when diving with Nitrox?

When diving with Nitrox, a crucial consideration is the diver's health and fitness level. This is particularly important because enriched air has a higher percentage of oxygen compared to regular air, which can have physiological effects on the diver's body. It's essential for divers to be in good health and possess a sufficient level of fitness to handle any potential complications that may arise during or after a Nitrox dive.

For instance, a diver with pre-existing health conditions or who is less physically fit may be at greater risk for oxygen toxicity, which can occur when the partial pressure of oxygen exceeds safe levels. Proper training and fitness can help mitigate these risks, ensuring that divers can effectively manage the challenges associated with the increased oxygen concentration in Nitrox.

While factors like water temperature, the presence of other divers, and the duration of surface intervals are all relevant to diving safety and planning, they do not directly impact the physiological effects of breathing Nitrox. The diver's health and fitness level is paramount in ensuring a safe and enjoyable dive experience with Nitrox.