Thread: Whats the best mix for air top offs
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Old 24-04-08, 01:51 PM
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Whats the best mix for air top offs
Standby for blast off.

Typically i dive in the 65-80M range.
Typically i use a 16/40 or a 14/50

This is on a CCR.

I have three sets of diluent cylinders.

I am going somewhere where trimix pumping is out of the question and we are taking a portable compressor. Hopefully weather permitting we should get 7-8 dives in the 65-80M range

I usually take a 15l to decant from.

However with a gas mix air top programme (which i have ) i do not really need to take the 15L to decant from. If i put the right mix in my dil cylinders and then top off with air.

So what would be the best mix to start with.
Suggestions greatfully recieved.
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