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Scuba diving guides

Articles on dive skills, certification, dive planning and dive sites.

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Training & CertificationJuly 9, 20267 min read

How Much Weight Do You Need for Scuba Diving? (And How to Check It)

Starting weights by wetsuit thickness, what salt water and aluminium cylinders add, and the end-of-dive weight check that gives you your real number.

Training & CertificationJuly 7, 20268 min read

Buddy Check Step by Step: BWRAF and the Faults It Catches

What a scuba buddy check covers, BWRAF next to SEA BAG, ABC and BSAC, what to look at in each step, and the faults the research shows it catches.

Training & CertificationJuly 6, 20269 min read

How to Equalize Your Ears When Diving, and What to Do If You Can't

How to equalize your ears when diving: Valsalva, Toynbee, Frenzel, Lowry and tubal opening step by step, what to do if an ear won't clear, and barotrauma signs.

July 4, 20264 min read

The 5 Best Dive Sites in the World

From the Great Blue Hole to Sipadan, the 5 best dive sites in the world: depths, best seasons, required experience level and practical planning notes.

Training & CertificationJuly 2, 20269 min read

PADI vs SSI vs CMAS: How the Three Dive Agencies Differ

PADI and SSI are companies, CMAS is a federation of national bodies such as FFESSM. How ownership, course pricing, instructor rules and recognition differ.

June 30, 20261 min read

Dive Certification Levels Explained: PADI, SSI and CMAS Compared

Understand scuba certification levels across PADI, SSI, and CMAS: what each level allows, depth limits, and how the systems map to each other.

Safety & Dive MedicineJune 29, 202610 min read

Diver Medical Questionnaire: When You Need a Doctor's Sign-Off

How the 2026 diver medical questionnaire works, which yes answers need a doctor's sign-off, what to bring to the appointment and how to find a dive doctor.

Training & CertificationJune 27, 20268 min read

Scuba Diving After 50: Is It Too Late to Learn, and What to Check

PADI and SSI set no upper age limit for scuba. What changes after 50: heart risk in DAN data, the medical checks that matter and realistic fitness targets.

Training & CertificationJune 25, 20268 min read

What Age Can Kids Start Scuba Diving? Agency Limits and Readiness

Kids can try scuba in a pool at 8 and certify at 10 with PADI or SSI. Depth limits by age for PADI, SSI, CMAS and BSAC, plus medical and readiness advice.

Training & CertificationJune 23, 20267 min read

How Much Does a Scuba Diving Course Cost? Open Water Prices Compared

What an Open Water course costs and what the price covers: agency eLearning fees, listed prices from dive centres in nine regions, extras and questions to ask.