Marcus Okafor

Marcus Okafor

PADI Master Scuba Diver Trainer and technical dive equipment specialist with over a decade of experience testing and evaluating gear in diverse marine environments across six continents.

Marcus has logged over 3,000 dives in locations ranging from the kelp forests of the Pacific Northwest to deep wrecks in the Caribbean and coral systems throughout Southeast Asia. As a working dive instructor and equipment specialist, he spends his days introducing new divers to the underwater world while rigorously field-testing the latest regulators, BCDs, and exposure suits in real-world conditions. His approach to gear evaluation prioritizes safety, durability, and practical performance over marketing hype, drawing from thousands of hours underwater and countless equipment failures, successes, and everything in between.

21 published articles on The Scuba Gear Lab

Published Articles

How-To Guide
Dive Gear Bag Packing Checklist: Everything You Need for Your Dive Trip
March 10, 2026
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Buyer's Guide
Best Underwater Camera Housings for Scuba Diving in 2026
February 17, 2026
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How-To Guide
Understanding Underwater Color Loss and White Balance Correction
February 24, 2026
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How-To Guide
How to Service a Scuba Regulator: Complete Maintenance Guide and Schedule
January 4, 2026
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How-To Guide
The Complete Guide to Scuba Regulators: How They Work, What to Look For, and How to Choose
January 1, 2026
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How-To Guide
BCD Pre-Dive Safety Checklist: Complete Buoyancy Compensator Inspection Guide
February 8, 2026
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Buyer's Guide
Best Travel BCDs for Liveaboard Adventures
March 29, 2026
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How-To Guide
What is Intermediate Pressure in Scuba Regulators: Understanding IP Settings and Performance
January 8, 2026
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How-To Guide
How to Choose a Wetsuit for Scuba Diving
March 22, 2026
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How-To Guide
Underwater Camera Maintenance Checklist: Pre-Dive and Post-Dive Care
March 3, 2026
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Buyer's Guide
Best Cold Water Scuba Regulators: 6 Top-Rated Models for Ice and Drysuit Diving
January 6, 2026
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How-To Guide
How to Choose a Dive Bag: Size, Material, and Feature Guide
March 12, 2026
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Buyer's Guide
Best Scuba Regulators for Beginners: Top 7 Picks for New Divers in 2026
January 2, 2026
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How-To Guide
Understanding Liveaboard Equipment Requirements and Restrictions
March 29, 2026
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How-To Guide
Pre-Dive Computer Checklist: Setup and Safety Verification
January 22, 2026
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How-To Guide
How to Choose a Buoyancy Compensator: Matching BCD Features to Your Dive Profile
February 5, 2026
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Buyer's Guide
Best Biometric Dive Computers for Scuba Divers
March 26, 2026
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How-To Guide
Biometric Dive Safety Checklist: Essential Sensors and Calibration
March 29, 2026
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How-To Guide
DIN vs Yoke Regulator Connection: Which Valve Type Should You Choose?
January 9, 2026
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How-To Guide
How to Master Buoyancy Control for Underwater Photography
February 28, 2026
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How-To Guide
How to Calibrate Biometric Dive Sensors for Accurate Readings
March 31, 2026
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