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Purple Dive IDC and Divemaster Blog
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Divemaster
Instructor
Former students
Dive Theory
Understanding Dive Computer Algorithms
Feb 17
How to progress your dive career
Jan 6
Dive skill video: mask removal
Dec 23, 2025
Understanding dive insurance for pros
Dec 9, 2025
The science behind equalization: why your ears pop
Nov 25, 2025
How to make your CV stand out
Nov 11, 2025
The instructor's guide to equipment problems underwater
Oct 28, 2025
How to nail your instructor job interview
Oct 14, 2025
Why your fin kicks matter - finning techniques explained
Oct 2, 2025
Rescue Diver training: how to teach scenarios
Sep 25, 2025
Dive skill video: hover
Sep 18, 2025
Night diving: mastering the techniques
Sep 11, 2025
Dive skill video: clear a fully flooded mask
Aug 21, 2025
Our former students: Casey
Jul 31, 2025
Dive skill video: regulator recovery
Jul 24, 2025
Dive skill video: partial mask flood
Jul 3, 2025
Dive skill video: neutral buoyancy
Jun 19, 2025
How to stand out in a competitive dive industry?
Jun 5, 2025
Dive skill video: freeflow regulator breathing
May 29, 2025
Tech diving for dive pros: should you take the plunge?
May 22, 2025
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