As already mentioned, it is not essential to go deep or stay deep on Fiji’s reefs. You might want to go and look at something specific at depth but if you find you use more air than your fellow divers, try reducing the average depth of your dive. With clear water, you can happily be a few metres above the other divers and still stay in touch.
Assuming a conservative air consumption of 20 litres per minute at the surface and also assuming you breathe a tank from 200 bar at the start to 50 bar back on the surface (total 1800 litres) – at an average depth of 15 metres you will have enough air for a 36 minute dive. At an average depth of 10 metres you will have enough air for a 45 minute dive. This is a massive 25% increase in time. Why not spend time exploring the shallows during the latter part of the dive. This is perfect in the tropics as you will see a huge amount of life in great natural bright light.
It is also great for your dive profile and repetitive dive no decompression limits.
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