Drysuit valves and diving techniques

The different types of valves used in a dry suit are described to guide in divers' selection. Tips on drysuit diving are also offered including pre-dive inspections...

Underwater search techniques

Search and rescue divers follow systematic movement patterns to cover as large an area as possible under different diving conditions. These diving patterns are...

Underwater cleanup tips

An underwater cleanup activity is an entertaining way of preserving the ecology, meeting other people and engaging in a different underwater activity. Divers in a...

Damselfish: reef farmers or fighters?

The damselfish is the most popular member in the family of reef fish. They consist of nine species which are identified based on color....

Sharks you should know: nurse shark (Ginglymostoma cirratum)

Nurse sharks may appear lethargic and slow but when disturbed, they can attack quickly and can inflict harm on other creatures. They can lie motionless for...

Dealing with downdraft currents

Downdraft currents such as laminar flows affect wall diving. Divers should be ready to adjust their equipment, particularly buoyancy compensators, to counteract the downward pull of such...

The 5 sharks least dangerous to divers

The five least dangerous sharks include the basking shark, the whale shark, the scalloped hammerhead, the horn shark and the zebra shark. Other sharks that are...

What divers should know about bone health

Essential facts about bone health and osteoporosis are presented. Most studies show that avoiding calcium loss is more important than large intake of dairy products in the...

Dizziness during diving

Occasionally, a diver may experience dizziness while diving. Some experience dizziness while on the bottom, others while ascending; few complain about feeling dizzy during...

Advanced diving: compass navigation underwater

Underwater compass navigation is both a challenging and enjoyable activity for divers. Some buying tips are discussed to assist divers in selecting the type of...

Recent Posts

Diving and dentistry

The maintenance of dental health should be of prime importance to the diving enthusiast. Dental conditions such as barodontalgia, joint and facial muscle pain and the...

Scuba diving and dizziness

Dizziness that occurs while diving can be dangerous. Some divers felt they were going to blackout, while others had brief periods of disorientation. Either...

The 5 sharks least dangerous to divers

The five least dangerous sharks include the basking shark, the whale shark, the scalloped hammerhead, the horn shark and the zebra shark. Other sharks that are...

Can you scuba dive with epilepsy?

Physicians are asked from time to time whether patients who have epilepsy should dive. It is my view that they should not and this...

The diver’s survival kit for dive boat trips

Dive boat trips are exciting. However, they expose people to harsh environmental conditions that often result in serious discomfort or affect one's health. Preparing...