Most people assume scuba tanks are filled with pure oxygen, but standard diving tanks actually contain just 21% oxygen—the same as regular air. Using 100% oxygen underwater is dangerous beyond 6 me...
Can You Change Scuba Tanks Underwater?
Changing a scuba tank underwater is possible but requires skill and preparation. Most recreational divers never need to do this, but in technical diving—such as deep or cave dives—switching tanks m...
Why Proper Scuba Tank Filling Matters: Risks, Safety Tips, and Best Practices
Improperly filled scuba tanks can risk your safety and gear. Learn how proper filling ensures safe and enjoyable dives every time.
How to Tell If a Scuba Tank Is Empty?
Learn how to tell if a scuba tank is empty using pressure gauges and safety tips to stay prepared before every dive.
When Should You Not Scuba Dive?
Learn when it’s unsafe to scuba dive and how proper planning helps protect your health and safety underwater.
How many oxygen tanks are needed for a scuba dive
The number of oxygen tanks needed for a scuba dive depends on factors like depth, dive duration, and air consumption rate (typically 12-18 liters per minute). For a 60-minute dive at 18 meters, an ...