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What happens if you don’t equalize your mask?

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.
Michael,
Thanks for the input. Even if it is not practical or worst case doesn’t even work, it still makes a good 4th grader science project. I predict we will do much better than we did in her 3rd grade attempt!
Don
 
And what was that?

Can I offer a rebreather that recycles oxygen from ocean water for the 5th grade project?

I never had science projects in my school , the only ones I had were of my own.
 
What? Can't see any problem except he seems to have lost his eye brows.

Talking about tear ducts, I spoke with a young guy recently who wants to learn to freedive (spear). He has a slight problem equalising. When he held his nose and blew gently, air came out of from his tear ducts! Guess he shouldn't have too much trouble equalising his mask.
 
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