DeepSeaExplorer
Contributor
Wow... that SSI course structure is a mess.
Anyhow... there isn't much use for 40% as a bottom mix. Even though you could get more bottom time on a second dive, you would most like be time-limited by the dive op anyway.
Anyhow... there isn't much use for 40% as a bottom mix. Even though you could get more bottom time on a second dive, you would most like be time-limited by the dive op anyway.