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Summary: Equalize underwater ear pressure when scuba diving by pinching the nose and blowing out, wiggling the jaw or swallowing. Learn to equalize a scuba mask by exhaling through the nose with instructions from a scuba instructor in this free video on scuba diving.
Gregg Eddy is a certified scuba instructor who has been teaching scuba classes for more than 10 years. Eddy takes people on scuba trips about every two months, all over the world. He...read more
"This is how we equalize our ears when scuba diving. The first way is to by gently pinching your nose and gently blowing out. The second way is by wiggling your jaw from side to side. And the third way is actually to swallow. There's one other area that you actually need to make sure that you equalize which is your mask. And that's very simple, all you need to do is actually exhale a little bit through your nose."
eHow Article: How to Equalize Underwater Ear Pressure in Scuba Diving