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Purple Dive IDC and Divemaster Blog
All Posts
Divemaster
Instructor
Former students
Dive Theory
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
Why your fin kicks matter - finning techniques explained
Oct 2, 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
Dive theory : Decompression sickness (DCS) explained
Aug 14, 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
Dive skill video: freeflow regulator breathing
May 29, 2025
Dive skill video: alternate air source use - stationary
May 1, 2025
5 tips to make your dive courses more eco-friendly
Apr 24, 2025
Marketing for dive pros: how to promote yourself!
Apr 3, 2025
How becoming a Divemaster can change your life (and not how you think)
Mar 13, 2025
How to master your dive skills demonstration
Feb 27, 2025
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