Salt or Fresh Water
Nitrox Tools has been translated into:
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The default is to perform calculations for salt water (where one atmosphere of pressure occurs at 33’ or 10 meters). You can change this setting to fresh water (where one atmosphere of pressure occurs at 34’ or 10.3 meters). The setting will persist the next time you open the application. Units will be displayed as “fsw/msw” or “ffw/mfw” in the Planning and Best Mix tools. Make sure that the intended units are displayed before using the resulting calculations.