Browsing: Ice Diving

Scuba Features Ice Diving Jill Heinerth
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Ice Diving Tips

Regulator free-flows are one of the greatest hazards when diving under ice or in very cold water (less than 4°C). The condition is caused by the sudden drop in pressure as air passes from the cylinder through the first stage. When high pressure air passes through the first stage, it hyper-cools the metal moving parts.

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