Blueringocto_73
Banned
I think I just found some pertinent information: "An unexpected and undeniably unpleasant experience is clearing your mask in subzero temperatures. The sensation of icy water cascading into your mask, pressing against your eyelids and nose is truly awful, but is a necessary evil."
Maybe, maybe not. I've heard claimed that only some 10-20% who certify here become regular divers. But it's probably for other reasons than freezing their butts off