Welcome to the underwater world!
Medical Check-up
Introductory Diver Course Completion
Important Points for Ocean PracticeBreathe Deeply
Ear Equalization
Mask Blow
Communication
Regulator Clear
Mask Clear
Underwater Problems
Transform into a Fish on your Holidays
■Mask Blow
If you feel mask squeeze, where the mask feels pulled too tightly around your face, you can equalize by blowing air out from your nostrils into the mask. This “Mask Blow” will resolve the issue.
Mask Squeeze
① Air
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