Madeline M asked:


I am going to go Scuba Diving for my first time, and I’m going to the Great Barrier Reef. How much does it cost to get PADI certified? How long does it take? Do I need to buy equipment for training? And while diving in the reef can I wear a wet suit that only goes down to my knees and elbows? Thanks

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enmartentertainment asked:

Everything you need to know about the scuba diving certification course. From the classroom to the pool and ocean. How to pick the proper equipment, mask fins snorkel, BC, regulator, wetsuit. Hosted by Allison Williams and a special appearance by Michael Forte. This is part 3 of 4.

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scubacom asked:

This demonstration video discusses and shows the features of Zeagle´s Envoy Deluxe Regulator. It has a light 2nd stage to prevent jaw fatigue which also adds to overall comfort. The Envoy Deluxe is Nitrox compatible to 40% and also has diver adjustable air-flow and venturi. This scuba regulator´s compact balanced first stage features 5 low pressure ports and 2 high pressure ports which will allow you to configure your setup many different ways.

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Felix Tero asked:




The open circuit scuba set is a convergence of specialized scuba equipment and gear designed to support a few minutes of human activity at depths of as much as a hundred feet of sea water below the surface. Without the self contained underwater breathing apparatus (SCUBA) and its implements, recreational divers will not be able to enjoy a few minutes of bottom time for that much coveted underwater action. The article will discuss the basic components of the open circuit scuba set; from the apparatus that supports underwater breathing to the scuba gear that controls the diver’s vertical position on the water column.

Breathing Gases

Before we even begin to discuss the mechanical components of a scuba set, it would be necessary to make mention of the breathing gases that fuel the diver’s sustained respiration underwater. Due to its abundant supply, atmospheric gases composed of Nitrogen, Oxygen and a minimal proportion of inert gases are the most popular breathing gases used for recreational scuba diving. Meanwhile for more specialized forms of diving that usually involve the cruise of depths below recreational levels, professional scuba divers employ Enriched Air or Nitrox that has been pre-configured to contain higher proportions of Oxygen (to as much as 40%). This type of mixture allows for reduced inhalation effort, lower Nitrogen absorption rate by the body and increased bottom times.

Open Circuit Apparatus

Breathable gases are compressed and stored in standard 80 cubic feet, aluminum or steel tanks called the diving cylinder that can accommodate maximum volumes of 3000 to 4500 per square inch of pressure. The rubber O-ring valve of the diving cylinder connects to the first stage mechanism of the scuba regulator set to reduce blatant air pressure emanating from the tank to intermediate pressure. Since intermediate pressure is still unfit for breathing, air is ferried to the second stage where pressure is consequently dropped to ambient or surrounding water pressure. At this rate, breathable air is conveyed through a mouthpiece that the diver can fine tune to reduce inhalation effort. In case of free flows, the primary second set is condemned and the diver breathes through the octopus regulator. Meanwhile, extending from the scuba regulator set is a high pressure hose that connects to a pressure and depth gauge. While the depth gauge obviously measures the diver’s current depth, the pressure gauge alerts the diver of the remaining air pressure on the cylinder tank.

Buoyancy Control

Another scuba equipment called the buoyancy compensator device (BCD) connects to the regulator set by way of a low pressure direct feed mechanism. The BCD controls the diver’s position on the water column through the competent inflation and venting of its bladders (via the inflation valve and vent valves respectively). While this scuba gear is not involved in the process of supplying Air to the diver, efficient breathing techniques when combined with the expert manipulation of BCD mechanisms - including the lead weights, is necessary to establish better buoyancy control.

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davidherkt asked:

A section from Leni Riefenstahl’s film of the 1936 Olympics. A supreme example of editing where physics are transcended and somehow weightlessness is achieved.

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BCSDive asked:

Diving on the Wiindiate and The Barney shipwrecks off Presque Isle, Michigan in Lake Huron. Depth ~180′ ave. X-Scooters. Scotty Lang and Scotty Wernette are the divers. Filmed by Brandon Schwartz.

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diver7 asked:


You know the sport called diving? It is a really hard sport! What is the hardest dive?

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Felix Tero asked:




More and more diabetics are now pining for scuba diving as a form of recreation. Many scuba diving organizations are not agreeable to this development; given the likelihood of underwater hypoglycemic attacks which is a risk factor to the disease. But then again, the minimal chances for occurrence plus pertinent advances in medicine for the treatment of this metabolic disorder have enticed healthier scuba divers to allow diabetics into their team. If you are a diabetic and would like to engage in an underwater adventure, you might want to take note of the tips outlined below before mapping out your diving itinerary and descending to the depths.

Inform your buddies about your condition. When joining a diving group, inform your buddies about your diabetes. As much as possible, be completely honest with them and cite your doctor’s findings or the risk factors involved. Also inform them with regards to the appropriate response when faced with emergencies and any other eventualities related to the disorder. Your buddies are going to be your saviors underwater-God forbid they wouldn’t know what to do if the time to rescue you should come. Prepare some “weapons.” Don’t be complacent and carry an emergency kit with you onboard. Ask your doctor for advice on what medical items should go into your kit. And when diving, bring some glucose paste with you as well. Given the risk profile of your condition, you can never be too prepared. Bring a friend. Your doctor would actually be the best choice to accompany you on that diving trip, but then he would have to charge you extra for that, wouldn’t he? So why not let scuba certified family members or really trusted friends tag along to look after you during the entire course of the dive. Teach them what to do during emergencies and how to use the emergency kit you brought along with you for the trip.
Nobody ever said that you can’t go scuba diving when you are inflicted with diabetes mellitus. Nonetheless, you will have to take precautionary measures given the risk profile of your condition. With the right attitude, an active lifestyle, frequent consultations with health care providers and use of high performance scuba equipment such as the IST Imperial BC [http://www.scubasuppliers.com/site/1408308/product/J301] - a buoyancy compensator device that perfectly fits your body like a comfortable glove and the Aeris AT 400 Pro scuba regulator, surely you’ll never go wrong in the intent of pursuing that much dreamed about scuba diving retreat, even if you are a diabetic!

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bubblevision asked:

Scuba diving in Bali in September 2007 with AquaMarine Diving. Featuring the USAT Liberty shipwreck at Tulamben, mola mola at Crystal Bay, a whitetip reef shark at Nusa Penida, and lots of macro critters such as nudibranchs and shrimps from Coral Garden, Seraya Secrets and Puri Jati. Shot in September 2007 with www.AquaMarineDiving.com More Bali diving videos at http

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