OP said 7/8 mm wetsuit in first post
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OP said 7/8 mm wetsuit in first post
Wet !
And freeflowing poseidon's will drain a tank real quick! I used to drain a set of double 100s from 3300 psi to about 1500 psi in less than 2 minutes at the surface.freeflow a reg on purpose in 8 degree water will often lead to a uncontrolled freeflow as it freezes, now you know. To the loss of buoyancy control, practice.