Gear For Double Tank Diving

Catalina 80 Cubic Foot Aluminum Tank with Pro Valve

152 reviews

SKU: AQUTA80NP

~~$369.95~~ Save: $76.05 (21%)

^$293.90

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In Stock

DESCRIPTION

A 80 cubic foot aluminum tank with a pro valve that won't rust, has great buoyancy, and a high flow capacity valve.

Pros

Well-made and durable
Good customer service
Variety of color options
Great price and value
Fast delivery time

Faber High Pressure Steel Tank

73 reviews

SKU: FBRHP80SG

~~$429.95~~ Save: $90.05 (21%)

^$339.90

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In Stock

DESCRIPTION

A high-pressure steel scuba cylinder with triple-protected zinc and painted finish, featuring a convertible Nitrox-ready valve.

Pros

Compact and lightweight
Versatile valve compatibility
Durable construction
Excellent buoyancy characteristics
High air capacity

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP19BR

~~$219.95~~ Save: $39 (18%)

^$180.95

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In Stock

DESCRIPTION

A reliable, nitrox-ready aluminum pony tank with high flow valve, available in five sizes.

Pros

Reliable backup air supply
Minimal effect on buoyancy and trim
Good air capacity
Affordable price
Versatile for different diving scenarios

Zeagle Ranger BCD with Ripcord Weight System

53 reviews

SKU: ZGLRNLR

^$949.95

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In Stock

DESCRIPTION

A durable back inflation BCD with Ripcord Weight System, adjustable shoulders, and utility pockets.

Pros

Fit
Lifetime warranty
Well-made
Durability
Versatility

XS Scuba Faber High Pressure Steel Tank

50 reviews

SKU: FBRHP80G

^$469.95

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In Stock

DESCRIPTION

A popular high-pressure steel tank with great buoyancy and convertible yoke/DIN design.

Pros

Beautiful design
Fast delivery
High-quality tank and valve
Great gas capacity
Improved bottom times

TUSA Liberator Sigma II BCD, Black

43 reviews

SKU: TBTJ01XLBK

~~$389~~ Save: $89.05 (23%)

^$299.95

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In Stock

DESCRIPTION

A black jacket-style BCD with advanced weight load system, adjustable straps, and O.P.E.V. quick Inflate/deflate system.

Pros

Adjustable and comfortable fit
Affordable and good value for the price
Good quality materials and construction
Secure weight integrated system
Large and convenient storage pockets

Cressi Aquapro + BCD

20 reviews

SKU: CSBAPPLR

~~$529.95~~ Save: $130.00 (25%)

^$399.95

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In Stock

DESCRIPTION

A weight-integrated Cressi Aquapro + BCD with adjustable straps and multiple pockets for accessories.

Pros

Integrated weight system
Comfort
Durability
Good value
Secure tank hold

Faber Low Pressure Steel Tank

18 reviews

SKU: FBRLP85SG

~~$474.95~~ Save: $67.05 (14%)

^$407.90

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In Stock

DESCRIPTION

A corrosion-resistant, blue steel scuba tank with convertible DIN/K valve, nitrox-ready and optimized for balanced buoyancy.

Roll-Control Adjustable Tank Bracket, Set of 2 (TA-80)

15 reviews

SKU: RCSTA80WT

^$74.95

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In Stock

DESCRIPTION

A durable set of two adjustable tank brackets suitable for all cylinder sizes and track types.

Oceanic Excursion BC

13 reviews

SKU: OCNENXL

~~$819.95~~ Save: $370.00 (45%)

^$449.95

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In Stock

DESCRIPTION

A hydrodynamic back inflator BC with integrated weight pockets and patented BioFlex bladder.

Hollis HD 200 BC

11 reviews

SKU: HLSHD200LR

^$789.95

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In Stock

DESCRIPTION

A lightweight and comfortable back inflation BCD with weight integrated system, suitable for TECH/REC diving.

Tank to Tank Equalizer with Pressure Gauge

11 reviews

SKU: AQUTTE

^$169.95

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In Stock

DESCRIPTION

A Tank to Tank Equalizer with Pressure Gauge that maximizes air availability and is a great Save-A-Dive-Kit item.

OMS Performance Mono Wings

10 reviews

SKU: OMSPMW2B

^$376

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In Stock

DESCRIPTION

A compact and durable donut-style mono wing with 32 lbs lift, perfect for traveling divers.

Suunto Tank POD Transmitter for EON/D5 Dive Computer

10 reviews

SKU: SQTPOD

^$439

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In Stock

DESCRIPTION

A wireless tank pressure transmitter that provides a quick and easy view of tank pressure for Suunto EON/D5 Dive Computers.

Dive Rite Stainless Steel Back-Plate

10 reviews

SKU: DIV2116

~~$189~~ Save: $79.05 (42%)

^$109.95

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In Stock

DESCRIPTION

A robust 304 stainless steel back-plate offering superior stability, multiple mounting slots, and corrosion resistance.

XS Scuba V Weight Pouch

7 reviews

SKU: XSSWB550

^$22

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In Stock

DESCRIPTION

A durable weight pouch with dual mesh compartments and velcro pockets for soft lead and tank trim weights.

Zeagle Back-Plates

7 reviews

SKU: ZGLSSBP

^$259.95

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In Stock

DESCRIPTION

A versatile back-plate for easy mounting of Zeagle bladders, available in stainless steel or anodized aluminum.

Blue Reef Cross-Over Equalizer

6 reviews

SKU: AQUTCE

~~$169.95~~ Save: $55.00 (32%)

^$114.95

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In Stock

DESCRIPTION

A blue tank accessory that maximizes air availability and is equipped with bleeder valves.

Aqua Foam Tank Holder for 2 to 3 Cylinders

5 reviews

SKU: AQUFTH2

^$42.95

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In Stock

DESCRIPTION

A non-corrosive foam holder for 2-3 scuba tanks, preventing rolling and increasing transport safety.

Faber 23 High Pressure Steel Tank Only

4 reviews

SKU: FBRHP23W

~~$339.95~~ Save: $30 (9%)

^$309.95

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In Stock

DESCRIPTION

A high-pressure steel tank by Faber, nitrox ready up to 40%, with optimum weight distribution.

Scubapro MK25 EVO/G260 Dive Regulator System

4 reviews

SKU: SCPM25EG26

^$1049

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In Stock

DESCRIPTION

A high-performance regulator set with adjustable 2nd stage, 5 LP ports, and enhanced freezing resistance.

Scubapro S-Tek Pro System Harness Donut Wing 40 lbs. (18kg) Lift

2 reviews

SKU: SCPSPRHD40

^$995

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In Stock

DESCRIPTION

A complete tech buoyancy system with adjustable shoulders, donut wing BCD, and 40 lbs. lift.

Dive Rite Stage Bottle Rigging

2 reviews

SKU: DIV2053

^$55

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In Stock

DESCRIPTION

A durable and long-lasting stage bottle rigging with easy grip webbing loops and stainless steel bolt snaps.

XS Scuba Tail Weight Pouch

2 reviews

SKU: XSSWB500

^$20

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In Stock

DESCRIPTION

A convenient and secure tail weight pouch with velcro closure for attaching to your scuba gear.

Dive Rite TransPac Stabilizer Plates for Doubles

2 reviews

SKU: DIV2084

^$16.50

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant stainless steel stabilizer plate for double tanks, compatible with standard twin bands.

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Gear For Double Tank Diving

Double tank diving opens up a world of extended bottom times and increased safety margins, making it a preferred choice for advanced recreational divers, technical divers, and those venturing into overhead environments like caves and wrecks. The gear required for double tank setups is purpose-built to handle the added complexity, weight, and redundancy demanded by these dives. At its core, a double tank system relies on a robust backplate and wing configuration, often constructed from stainless steel for cold water stability or lightweight aluminum for travel convenience. The wing, typically offering 40–60 lbs of lift, is designed to manage the heavy, balanced load of two cylinders while maintaining precise buoyancy control and trim. Manifolded cylinder sets, joined by stainless steel bands and a dedicated manifold, allow the diver to access both tanks simultaneously and isolate them in the event of a failure—an essential safety feature for technical and buddy line diving scenarios. The harness system, usually a continuous webbing design, provides a secure, streamlined fit that distributes weight evenly across the diver’s back, minimizing drag and enhancing comfort during long dives or when navigating tight spaces.

For those gearing up for double tank diving in February, the cooler water temperatures in many regions make it especially important to consider thermal protection and weight distribution. Divers may opt for drysuits, which require additional inflator hoses and careful attention to regulator routing. The dual first-stage regulator setup, with a primary on a long hose for efficient gas sharing and a backup on a necklace for quick access, is a hallmark of both cave diving gear and open water technical configurations. Accessories like stainless steel bolt snaps, stage bottle leashes, and modular weight systems—such as v-weights or p-weights—allow for customization based on individual needs and dive profiles. This gear is not only essential for technical divers exploring deep wrecks or cave systems, but also makes a thoughtful, practical gift for experienced divers looking to advance their skills or embark on more challenging adventures. The adaptability of life raft mounting options and the inclusion of safety equipment further enhance the appeal of double tank setups for expedition divers who value preparedness and versatility.

Whether you’re preparing for a demanding cave dive, planning a series of deep decompression dives, or simply seeking the added security of redundant gas supplies, investing in specialized double tank gear is a commitment to safety, comfort, and performance underwater. The right equipment supports your training and dive objectives, allowing you to focus on the experience rather than the logistics of your setup. As you consider your options, keep in mind how each component—from the backplate and wing to the manifold and regulator configuration—contributes to a reliable, streamlined system. For those expanding their horizons into mixed gas or advanced technical diving, you may also be interested in exploring our recommendations for Gear For Tri Mix Divers, where you’ll find additional gear considerations for even more complex dive environments. With the right double tank equipment, you’re well-equipped to pursue new underwater frontiers, confident in the reliability and adaptability of your setup.