SDI OPEN WATER DIVER VIDEO SERIES 1. Aquatic Life   2. Underwater Environment   3. Essential Scuba Diving Equipment   4. Keeping Your Equipment Streamlined   5. Scuba Equipment Assembly   6. Disassembly of Scuba Equipment   7. The Physics of Ascents and Descents   8. Dive Physics - Keep Breathing   9. Dive Physics - Understanding Neutral Buoyancy   10. Dive Physics - Gas Absorption   11. Dive Planning...

Embarking on your first scuba diving lesson is an exciting adventure, but it can also be a bit daunting. Proper preparation can make your experience smoother and more enjoyable. Here’s a detailed guide to help you get ready for your first scuba diving lesson. Medical Clearance: Before you start diving, it's essential to ensure that you're medically fit for the activity. Complete a medical questionnaire provided by your dive school....

Maintaining your scuba gear is crucial for both safety and performance. Regular maintenance ensures that your equipment functions correctly, prolongs its lifespan, and helps prevent accidents. Here’s a comprehensive guide on how to care for your scuba gear properly. Inspect Before Every Dive: Before each dive, conduct a thorough inspection of your gear. Check your mask for any cracks or damage, ensure that your fins are secure, and inspect your...

Choosing your first set of scuba gear is a critical step in your diving journey. The right equipment ensures safety, comfort, and an overall enjoyable experience underwater. Here’s a comprehensive guide to help you select the essential gear for your first dive. Mask: The mask is your window to the underwater world. It's essential to choose one that fits well and provides a clear view. A mask that leaks or...

You’ve got the training. You’ve got the will.  You’ve got the trip booked. You’ve become accustomed to the gear you use at your local diving sites.  For whatever reason you can’t or don’t want to bring your own diving kit with you.  This may raise a few questions: Is it safe to rent? What am I looking for? How can I be sure I’ve been given appropriate gear? We will...

One of the fundamental skills first taught to any new diver is the art of buoyancy control. Most people generally gained their first taste of buoyancy as a child, learning to swim. Taking deep breaths caused them to float, while exhaling caused them to sink. This idea is taken into diving, with the aid of specialised equipment, to advance the enjoyment of the dive as divers are able to control...

It is well known that having a good cardiovascular fitness has numerous long-lasting health benefits. However, are there any benefits of having a high level of fitness to diving? Cardiovascular Fitness Cardiovascular fitness is the ability of the heart and lungs to supply oxygen-rich blood to the working muscle tissues, and the ability of the muscles to use oxygen to produce energy for movement. Having a good level of fitness...

In selecting equipment for a planned dive, the technical diver’s first concern will be his supply of breathing gas, based upon the requirements for a particular dive, as well as a suitable reserve for contingencies. Technical diving may involve extended bottom times, perhaps at relatively deep depths, with additional time spent underwater during mandatory decompression stops. Sometimes a diver will be able to meet his gas supply requirements with a...