Articles Index
Dangerous Fish and Sea Animals
Which fish and sea animals are dangerous to scuba divers, and which are not? Click through this list of commonly feared sea animals and learn which ones are actually dangerous.
Venturi Adjustment on Scuba Regulators (Dive/Pre-Dive, Off-On, and +/- Switch)
The Dive/Pre-Dive, Off/On, or +/- adjustment on a scuba regulator is a "Venturi Switch". This lever or knob on a regulator second stage allows a diver to alter air flow so that the regulator breathes easily. Here's how it works.
Dive Site Preservation
The Earth's oceans are in danger. Here are tips to help scuba divers preserve their favorite dive sites.
How to Clear a Scuba Mask of Water
How does a scuba diver clear water out of his mask during a dive? Learn a basic open water scuba skill -- clearing your mask of water.
5 Ways to Keep Your Hair Out of Your Face When Scuba Diving
Long hair can be very annoying when scuba diving. It floats in front of your face and your mask, and shifts around, altering the position of your mask strap. Here are my tips for securing long hair when scuba diving.
Reef Fish Identification Guide - 20 Common Species of Florida and the Caribbean
Reef fish identification guide for scuba divers to common and interesting species in Florida and the Caribbean. Learn to identify Sergeant Majors (Abudefduf saxatilis), Porkfish (Anisotremus virginicus), French Grunts (Haemulon flavolineatum) and many more reef fish species.
Air Consumption Rates for Scuba Diving - SAC Rates, RMV Rates, Easy Calculations
What is a normal/ average air consumption rate and what is a good air consumption rate in scuba diving. Instead of focusing on what is "normal" for other people, a diver need only concern themselves with what is a normal SAC or RMV rate for himself.
20 Common Hand Signals for Scuba Diving
Scuba diving hand signals for underwater communication. Here are photos of twenty common hand signals accompanied by explanations. For example, what is the difference between the signals for "up" and "okay" ?
The Shipwrecks of Tobermory, Canada
Tobermory, Canada, boasts over twenty shipwrecks preserved in the clear fresh water. Here are photos and descriptions of some of the best wreck diving in North America.
Identify Fire Coral
Fire coral facts and identification for scuba divers. Learn to identify and avoid fire coral with these pictures and explanations, and read about the first aid for a fire coral sting.
Photos of Scuba Diving in Xcalak - A Hidden Caribbean Treasure
Photos of the healthy coral reefs and marine life the scuba divers can see in Xcalak, Mexico. Xcalak is a marine reserve located in the Yucatan Peninsula.
Five Point Descent
The five point descent for scuba diving is: signal, orientation, regulator, time and descend. Here is an illustrated guide to the steps of the five point descent for scuba diving.
How to Preform the Controlled Emergency Swimming Ascent (CESA)
The controlled emergency swimming ascent (CESA) is an open water scuba certification skill. In an out-of-air emergency, a scuba diver can preform a controlled emergency swimming ascent to safely reach the surface on his own. See pictures and read an explanation of this open water scuba certification skill.
The Pre-Dive Safety Check for Scuba Diving
The scuba diving pre-dive safety (or "buddy") check consists of five steps - the buoyancy compensator, weights, releases, air, and a final okay. Learn the steps and reasons for preforming the pre-dive equipment check as taught in the open water certification course.
The Fin Pivot - Swim Like a Fish Using the Fin Pivot Scuba Certification Skill
The Fin Pivot is a skill learned in most scuba certification courses. Learn about the Fin Pivot and other scuba diving skills and scuba certification courses.
How to Try on a Scuba Diving Mask
A properly fitting scuba diving mask can be hard to find. Learn to try on a scuba diving mask to fit for proper fit and function.
The Amazing 8
Snorkel Keepers, or Ochos, can be used to attach a variety of dive gear to a diver. Learn about some of the uses for Snorkel Keepers or Ochos.
Regulator Recovery Can Save Your Life
Learn to do the regulator recovery skill taught in most scuba diving courses. This explanation of the regulator recovery skill includes photos and a detailed explanation.
Open Water Skill: Proper Weighting
How to perform the Open Water skill 'Proper Weighting'
Open Water Skill: Controlled Seated Entry
How to perform the open water skill - Controlled Seated Entry.
Open Water Skill: Disconnect Low Pressure Inflator
How to perform the Open Water skill 'Disconnect Low Pressure Inflator'
Open Water Skill: Free Flowing Regulator
How to perform the Open Water skill 'Free Flowing Regulator'
Open Water Skill: Mask Removal and Replacement
How to perform the Open Water skill 'Mask Removal and Replacement'