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Rebreathers

Rebreathers recycle exhaled gas by scrubbing carbon dioxide and reinjecting oxygen — allowing bottom times and gas efficiency that open-circuit scuba can't match. Closed-circuit systems are the choice for technical divers and underwater photographers chasing long bottom times.

Poseidon Xstream Regulator
Poseidon Scrubber Pre Packed
Poseidon SE7EN - EU Rebreather

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Poseidon Rebreather BCD
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Rebreathers

Poseidon Rebreather BCD

RM3,229.00
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Poseidon SE7EN - EU Rebreather
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Rebreathers

Poseidon SE7EN – EU Rebreather

RM33,150.00
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Poseidon SE7EN - US Rebreather
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Poseidon SE7EN – US Rebreather

RM33,150.00
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Poseidon Roundpack
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Poseidon Roundpack

RM5,520.00
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Poseidon Lucky Se7en Rebreather
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Rebreathers

Poseidon Lucky Se7en Rebreather

RM44,400.00
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Poseidon Scrubber Pre Packed
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Rebreathers

Poseidon Repackable Scrubber Cartridge

RM1,020.00
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Poseidon Xstream Regulator
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Rebreathers

Poseidon SE7EN – EU Rec Edition

RM37,650.00
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Expert Advice

Silent, Efficient, and Technically Demanding

Rebreathers recycle exhaled gas through a scrubber cartridge, extending bottom time dramatically while eliminating bubbles. Used by technical divers, researchers and underwater photographers who need extended dive windows.

Ask About Rebreather Diving

CCR vs SCR

CCR vs SCR Rebreathers: Which Type Is Right for Your Diving?

Closed Circuit Rebreathers (CCR) recycle all exhaled gas through a scrubber with active oxygen injection — maximum efficiency. Semi-Closed Rebreathers (SCR) release a small fraction of each breath — simpler but less gas-efficient.

Training

Rebreather Certification: What Training Is Required to Dive CCR?

PADI, TDI, and IANTD all offer rebreather certifications. Training involves scrubber filling, pre-dive checklist procedures, bail-out protocol, and oxygen partial pressure management — typically 4+ days minimum.

Scrubbers

Rebreather Scrubber Canister Life: When to Change Sofnolime

Sofnolime scrubber material absorbs CO₂ until exhausted — after which CO₂ breakthrough becomes a lethal risk. Replace scrubber material after the manufacturer's rated duration regardless of whether it looks used.

Bail-Out

Open Circuit Bail-Out Procedures for Rebreather Divers

Every rebreather diver carries an open circuit bail-out cylinder and practises the switch to open circuit in training. Bail-out volume must cover the ascent from planned depth including any decompression stops.

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FAQ

Frequently Asked Questions

Everything you need to know before making a purchase

What is a rebreather and how does it differ from a standard open-circuit scuba set?
A rebreather recirculates the diver's exhaled gas through a chemical scrubber (usually soda lime) that removes carbon dioxide, then adds only the oxygen consumed by the diver. Open-circuit scuba exhales every breath to the water as bubbles. The result is dramatically longer bottom times, warmer and more humid inhaled gas, and near-silent operation u2014 relevant in Malaysia at Sipadan where bubble silence can allow closer approaches to marine life.
What types of rebreathers are available for recreational and technical divers?
The two main types are semi-closed circuit rebreathers (SCR) and closed-circuit rebreathers (CCR). SCR units like the Poseidon MKVI recreational model are simpler and suited to recreational depths. CCR units (Poseidon
Which Malaysian operators or dive centres support rebreather diving?
Rebreather diving in Malaysia is primarily available through technical dive operators in Kota Kinabalu and at some Semporna-based liveaboards catering to the technical community. Topdive and certain specialist operators in KK can support CCR fills and scrubber material (soda lime). Layang-Layang, with its deep walls and pelagic encounters, is a popular CCR destination. Availability of sorb materials outside KK and KL is limited, so plan scrubber material quantities carefully before a liveaboard.
What certifications are required to dive a rebreather in Malaysia?
TDI (Technical Diving International) and PADI Rebreather certification are both internationally recognised and accepted by Malaysian dive operators. The minimum entry-level course is typically the TDI SCR or PADI PADI Rebreather Diver course. For CCR, TDI CCR or equivalent is required. Operators may request proof of 50+ logged dives before enrolling students in rebreather courses. NAUI and IANTD certifications are also accepted by most Malaysian technical operators.
What is the cost difference between rebreather and open-circuit gear in Malaysia?
Entry-level CCR units cost USD 5,000u201315,000, with high-end systems like the rEvo or JJ-CCR running USD 12,000u201318,000. By comparison, a complete open-circuit recreational set (BCD, regulator, computer, fins, mask, wetsuit) can be assembled for RM 4,000u20138,000. For divers who regularly dive more than 60 minutes at 30+ metres, the extended bottom time of a CCR provides tangible value, but the upfront cost, training requirement, and maintenance complexity are significantly higher.
How often does a rebreather scrubber need replacing and is soda lime available in Malaysia?
Scrubber duration depends on the soda lime type, water temperature, and the diver's metabolic rate. In Malaysian water temperatures (28u201330u00b0C), most divers get 2u20134 hours per scrubber load with standard soda lime. Primar-type soda lime is available from specialist technical dive suppliers in Kota Kinabalu and Kuala Lumpur, but stock is limited compared to major markets. Contact your supplier before a trip to confirm availability in the destination city.