This table gives maximum safe diving depths for given Nitrox blends and
PO2 values. A handy look up chart if cut out and laminated.
Download the table here: 
These Nitrox Calculators are PC utilities for calculating various parameters when diving on air or nitrox.
These have been updated for Windows 7.
| XP / Vista | Win 7 | |
| Advanced Nitrox Calculator |  |
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| Recreational Nitrox Calculator | |
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Warning: You must be a qualified Nitrox diver to dive on Nitrox. The breathing of Nitrox underwater
has its own inherent dangers and may lead to convulsions and drowning.
This application will calculate the amount of gas in a filled SCUBA cylinder, the buoyancy of the cylinder at the start of a dive, at the end of a dive, on the safety stop and when empty.
Changes made to ver 3.0.0.1:
- Updated for Windows 7
| XP / Vista | Win 7 | |
| Cylinder Buoyancy Calculator | |
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Below are some useful data for when changing between steel and aluminium cylinders or changing between salt and fresh water. Note: The data refers only to the cylinder, valves, manifold and gas. It does not refer to a divers overall buoyancy.
| Cylinder buoyancy figures | ||
| Cylinder - pressure | Salt water | Fresh water |
| Steel 12.2 litre - 232 bar | -3.43 kg | -3.85 kg |
| Steel 12.2 litre - 50 bar | -0.76 kg | -1.18 kg |
| Aluminium "12 litre*" - 200 bar | -0.69 kg | -1.18 kg |
| Aluminium "12 litre*" - 50 bar | +1.3 kg | +0.81 kg |