Decompression Equipment
There are several types of equipment used to help divers carry out decompression. Some are used to mark the underwater position of the diver and act as a buoyancy control aid and position reference in low visibility or currents.
Decompression may be shortened (or accelerated) by breathing an oxygen-rich "deco gas" such as a nitrox with 50% or more oxygen. The high partial pressure of oxygen in such decompression mixes create the effect of the oxygen window. This decompression gas is often carried in side-slung cylinders.
Read more about this topic: Decompression Algorithms
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