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Emergency Air Source Solutions

H2Odyssey Redundant Air Source Solutions

G'day,

Imagine you are in the middle of a 25 metre dive and being so engrossed in the surroundings, you have neglected to frequently check your air pressure gauge. Then you run out of air! Your dive buddy is quite some distance away with his/her back turned to you busy taking another picture, too engrossed and not near enough for you to signal that you're out of air. You know you don't have enough air to surface, and performing an emergency ascent from this depth would be highly risky. Even if you did manage to signal your buddy for air, the chances are that he/she too would be low on air as well. With two of you using the one air source, the cylinder would run out quite quickly.

However, if you have a pony bottle you get to easily survive this potentially deadly situation. You simply switch to your redundant air source tank, get your buddy's attention, and both of you ascend slowly together, do your safely stop, and then surface. All good!

Maybe you're a hookah diver and suddenly you're out of air because that cheap, non-tema fitting decoupled, or the surface supply compressor stopped working. The correct capacity emergency air source solution will get you back to the surface safely.

For solo scuba divers, a redundant or alternative air system is a great way to stay safe by being self-reliant and prepared for an emergency.

"But I don't dive solo," we hear you say. Really! If you're diving with a keen underwater photographer, or a dive buddy focused on catching a cray, gathering abalone or scallops, more often than not you're really diving solo. So be prepared!

All of the training agencies recommend you have an extra air source on dives deeper than 30 metres. A pony cylinder setup is a great way to achieve this.

H2Odyssey S6 Cylinder Mounting Options

Most pony bottles are mounted piggy backed to your main dive cylinder. They typically have a 100 cm (40 inch) long regulator hose. Some divers prefer to clip them under their arm if their BCD supports it. This way there is less drag, plus easier access to the tank valve and 2nd stage regulator. This setup can usually be unclipped, which allows you to hand it over to your buddy should he/she be out of air.

The Scuba Doctor dive shop recommends the H2Odyssey range of extra and redundant air source solutions. They feature a compact, combined cylinder valve and 1st stage which can be used on any size pony cylinder. We have three standard configurations available:

  • H2Odyssey Extra Air Source with Catalina S6 Cylinder
    This kit includes a 6 cubic foot (0.9 litre) capacity Catalina aluminium cylinder. It's a great unit for hookah divers and scuba divers staying less than 18 metres deep. Using the included Quick Release Bag, it's typically clipped to your BCD and can be easily deployed for your own use, or passed off to your dive buddy.
  • H2Odyssey Extra Air Source with Catalina S13 Cylinder
    This kit includes a 13 cubic foot (1.9 litre) capacity Catalina aluminium cylinder. A good solution for hookah divers and scuba divers staying less than 30 metres deep. It's typically mounted as a pony cylinder using the included holster, with a regulator hose added.
  • H2Odyssey Extra Air Source with Catalina S19 Cylinder
    This kit includes a 19 cubic foot (2.7 litre) capacity Catalina aluminium cylinder. It's suitable for solo scuba divers, plus those diving to 40 metres deep. It's typically mounted as a pony cylinder using the holster provided, with a regulator hose added.
H2Odyssey RAS Options

Of course The Scuba Doctor can adapt these standard units and customise them to your individual requirements. For example: adding a button SPG so that you can tell how much air is in the cylinder; adding a regulator hose; coming up with different mounting solutions; or switching to even greater capacity cylinders.

Please remember that these are redundant air systems for use as an emergency breathing gas supply. Do not use the extra air you have available as part of your dive plan, especially if hookah diving, or when scuba diving solo, deep, or in an overhead environment.

Best regards, The Scuba Doctor team.

 H2Odyssey Extra Air Source with Catalina S6 Cylinder

H2Odyssey EAS
with Catalina
S6 Cylinder

Up to 18 Metres Deep

$585.00

RRP $649.00 (10%)

Buy Now
 H2Odyssey Extra Air Source with Catalina S13 Cylinder

H2Odyssey EAS
with Catalina
S13 Cylinder

Up to 30 Metres Deep

$649.00

RRP $729.00 (11%)

Buy Now
 H2Odyssey Extra Air Source with Catalina S19 Cylinder

H2Odyssey EAS
with Catalina
S19 Cylinder

Up to 40 Metres Deep

$675.00

RRP $749.00 (10%)

Buy Now
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