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Pros & Cons Of Rebreathers

GET THE DIVE NOVEMBER ISSUE FOR OUR FULL GUIDE ON REBREATHERS - NOW AVAILABLE IN YOUR APP FOR FREE!

What are the benefits, and what are the downside of switching to a rebreather?

Pros

deeper and longer

A rebreather's efficient use of gas makes for much longer no-stop times and as nitrogen loading is reduced thanks to oxygen-rich mixes, decompression time is also greatly reduced.

Get closer to marine life

The absence of bubbles and the resultant noise allows much closer interaction with marine life.

Stay warmer

Gas returned to the diver after passing through the scrubber is warmer and more moist than that of open circuit scuba. The risk of dehydration is also lessened by this exothermic reaction.

Keeping it compact

The size and weight of a rebreather in comparison to an open circuit diver's multiple tank equivalent – especially for deeper, more technical dives - can save space in the car, on the boat and strain on the back. 

No more gas guzzling

Gas efficiency means no more dashing to your local dive store before closing time for a fill and relaxed surface intervals with no need for cylinder changeovers.

 

Cons

Starting over

It's a whole new world of diving with complex kit, unit-specific training and a more disciplined approach - almost like learning to dive again.

Expense

Initial costs are high with training and purchase prices running into the thousands. Consumables such as scrubber material, batteries, O2 sensors as well as service costs should also be factored in.

Preparation

Unlike the open circuit kit diver's simple 'dunk and dry' outlook, the  CCR diver must follow comprehensive pre and post dive assembly and disassembly procedures for their unit.

Size

If you're used to a single lightweight cylinder or are a frequent flyer, the size and weight of a rebreather may be an inconvenience too far.

Support

If your dive club or regular buddy don't have experience with rebreathers or are resistant to change you may find  it difficult to achieve your CCR goals without moving on.

 

GET THE DIVE NOVEMBER ISSUE FOR OUR FULL GUIDE ON REBREATHERS - NOW AVAILABLE IN YOUR APP FOR FREE!

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