apnea.fyi

Partial Pressures Demystified

Partial pressures used to not make sense to me. So I made it make sense to me...for you.
read more

How to pick a freediving agency?

There are a bunch of different freedive certifaction orgs. Which one is best for you?
read more

Incident Report

Something bad almost happened, but it's okay. We learned some valuable lessons.
read more

Advanced examples

read more