Scuba Reserve Tanks

Catalina 80 Cubic Foot Aluminum Tank with Pro Valve

151 reviews

SKU: AQUTA80YL

~~$339.95~~ Save: $53 (16%)

^$286.95

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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
Fast delivery
Good customer service
Good value for the price
Versatile and lightweight

Faber High Pressure Steel Tank

73 reviews

SKU: FBRHP23BK

~~$359.95~~ Save: $44 (12%)

^$315.95

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In Stock

DESCRIPTION

A high-pressure steel tank that is Nitrox ready and easily converts between DIN/K type valves.

Pros

Perfect size
Durability
No leaks
Great diving characteristics
Versatility

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP19

~~$209.95~~ Save: $10 (5%)

^$199.95

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In Stock

DESCRIPTION

A reliable and versatile pony bottle tank with a high flow capacity valve and aluminum alloy design.

Pros

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

XS Scuba Faber High Pressure Steel Tank

50 reviews

SKU: FBRHP80G

^$419.95

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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

Faber Low Pressure Steel Tank

18 reviews

SKU: FBRLP85SG

~~$474.95~~ Save: $72 (15%)

^$402.95

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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.

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.

Catalina 63 Cubic Foot Aluminum Tank with Pro Valve

2 reviews

SKU: AQUTA63BR

~~$329.95~~ Save: $50 (15%)

^$279.95

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In Stock

DESCRIPTION

A lightweight, rust-resistant aluminum tank with high flow capacity valve and convertible K-valve.

Thunderbird 40 cu. Ft Aluminum Tank with Pro valve

2 reviews

SKU: MTLTA40YL

^$264.95

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In Stock

DESCRIPTION

A 40 cu. ft aluminum tank with Pro valve, nitrox ready up to 40%, corrosion-resistant and convertible.

Thunderbird 80 cu. ft Aluminum Tank ~ Limited Time FREE with Thermo International Valve, Tank Boot and Valve Cap

2 reviews

SKU: MTLTA80BL

~~$344.95~~ Save: $80 (23%)

^$264.95

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In Stock

DESCRIPTION

A corrosion-resistant aluminum tank with a convertible valve and easy-grip rubber hand-wheel.

Thunderbird 19 cu. ft Aluminum Tank with Pro Valve

1 reviews

SKU: MTLTA19BR

^$224.95

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In Stock

DESCRIPTION

A corrosion-resistant aluminum tank with convertible valve options and nitrox readiness up to 40%.

Faber 23 HP Steel Tank with Inline Re-Breather Valve

1 reviews

SKU: PCK23RV

~~$419.90~~ Save: $19.95 (5%)

^$399.95

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In Stock

DESCRIPTION

A high-pressure Faber tank with re-breather valve, nitrox ready up to 40%, and negatively buoyant construction.

Thunderbird 63 cu. ft Aluminum Tank with Pro Valve

1 reviews

SKU: MTLTA63SB

^$334.95

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In Stock

DESCRIPTION

A corrosion-resistant aluminum tank with Pro Valve, convertible K valve, and easy-grip rubber hand-wheel.

Thunderbird 30 cu. ft Aluminum Tank with Pro valve

1 reviews

SKU: MTLTA30BR

^$259.95

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant aluminum tank with convertible valve options and Nitrox readiness up to 40%.

Thunderbird 6 cu. ft Aluminum Tank with Pro Valve

SKU: MTLTA6BR

^$164.95

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant aluminum tank with a convertible valve and easy-grip rubber hand-wheel.

GMC SCBA to Scuba Adapter

18 reviews

SKU: AQU45010

^$129.95

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant chrome plated brass adapter that allows you to fill scuba tanks up to 3200 psi.

Aqua Foam Tank Holder for 3 to 5 Cylinders

15 reviews

SKU: AQUFTH3

^$47.95

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In Stock

DESCRIPTION

A non-corrosive foam tank holder for 3 to 5 cylinders, increasing safety during transportation.

Spare-Air 3000 Kit

10 reviews

SKU: SX27B

^$299.99

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In Stock

DESCRIPTION

A reliable and compact backup air supply kit for emergency out-of-air situations during diving, available in multiple sizes and colors.

Aqua Foam Tank Holder for 2 to 3 Cylinders

5 reviews

SKU: AQUFTH2

^$42.95

+ wishlist

In Stock

DESCRIPTION

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

Thunderbird 13 cu. ft Aluminum Tank with Pro Valve

SKU: MTLTA13YL

~~$194.95~~ Save: $17.96 (9%)

^$176.99

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant aluminum tank with a convertible valve and easy-grip rubber hand-wheel. Nitrox ready.

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Scuba Reserve Tanks

When it comes to safety and preparedness beneath the waves, reserve tanks are a crucial addition to any diver’s gear setup. Often referred to as pony bottles or mini tanks, these compact, independent air cylinders serve as a reliable backup in the event of a main air supply failure. The peace of mind they offer is invaluable, especially when exploring deeper reefs, intricate wrecks, or venturing into colder waters as the seasons change. As November brings cooler temperatures and shifting underwater conditions, experienced divers know that redundancy in air supply can become even more important. Reserve tanks are designed to be easily carried, typically attached to your BCD, and can be deployed quickly if needed. While their air capacity is limited—usually providing just a few minutes of breathing time—they are engineered for those critical moments when a safe, controlled ascent is necessary. This feature is particularly beneficial for divers who frequent sites with complex topography or overhead environments, where a direct ascent might not be immediately possible.

Selecting the right scuba reserve tank involves several considerations, tailored to both your diving style and safety requirements. Divers who often push their bottom times or venture into remote locations appreciate the added security of a backup air source. Instructors, dive professionals, and those guiding groups may also find reserve tanks indispensable, as they provide an extra layer of safety for themselves and their students. For recreational divers, especially those who have just achieved their open water certification, a reserve tank can be a thoughtful and practical gift—one that demonstrates care for their well-being as they build confidence underwater. When choosing a reserve tank, factors like size, weight, and ease of attachment should be considered alongside fill methods. Many reserve tanks can be filled using adapters from a standard scuba tank, while others may require a dedicated compressor. Some divers look for a bernzomatic oxygen tank alternative, but it’s essential to ensure any tank meets scuba safety standards and is filled by a certified technician. The usability of these tanks is generally best in shallower depths, as increased pressure at depth drastically reduces the available breathing time. Filling a reserve tank with a hand pump is possible but often impractical, as reaching the necessary pressure can be a lengthy process. Always check with your local dive center for regulations, as some locations require proof of certification before filling any scuba tank.

Reserve tanks are not only for emergencies; they can also be used for short, shallow dives or as a backup during surface intervals on multi-dive days. The versatility of these mini tanks makes them a popular choice for photographers, spearfishers, and marine researchers who may find themselves needing a few extra breaths while working just below the surface. As you browse through the selection of reserve tanks, consider how this piece of equipment could enhance your own diving experience or serve as a meaningful gift for the diver in your life. For those seeking even greater air capacity or planning technical dives, exploring options like Scuba Double Tanks may be worthwhile. Whether you’re preparing for a winter dive trip or simply looking to add another layer of safety to your kit, a well-chosen scuba reserve tank can make all the difference in ensuring every dive ends as safely as it began.