Diving Backup Regulators

Cressi XS Octopus

89 reviews

SKU: CSBOXS

~~$189.95~~ Save: $60 (32%)

^$129.95

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In Stock

DESCRIPTION

A reliable and high-performance Cressi XS Octopus with a lightweight design and dependable valve.

Pros

Great performance and breathability
Good value for the price
Easy to use and adjust
Budget-friendly
Reliable and durable

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP6

^$179.95

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In Stock

DESCRIPTION

An aluminum pony tank with a convertible Pro valve, Nitrox ready and ideal as a reliable backup air source.

Pros

Convenient and easy to use
Affordable and competitively priced
Versatile and compatible with various regulators
Reliable backup air supply for safety
Perfect size and lightweight

Scubapro Air 2, Combination Octopus/Inflator Regulator

49 reviews

SKU: SCPA2GYR

^$329

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In Stock

DESCRIPTION

A durable and versatile combination octopus/inflator regulator with easy-to-use features and a classic design.

Pros

Breathability
Reduces clutter and eliminates hoses
Convenient and practical
Combination of octopus and inflator
Streamlined design

Mares Prestige 15X and Prestige Octopus Package

32 reviews

SKU: MRSPKPRGY

~~$619.90~~ Save: $170.90 (28%)

^$449

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In Stock

DESCRIPTION

A lightweight Mares regulator package with diaphragm first-stage, 4 LP ports, and 2 HP ports.

Mares Prestige Octopus

30 reviews

SKU: MRSPRO

~~$169.95~~ Save: $45.00 (26%)

^$124.95

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In Stock

DESCRIPTION

A compact and reliable octopus with easy breathing and durable housing.

Pros

Good value for the price
Suitable for beginners
Durable and long-lasting
Easy breathing
Reliable performance

Aqualung Calypso/Titan Octopus

28 reviews

SKU: UDRCTO

^$239

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In Stock

DESCRIPTION

A reliable and easy-to-use octopus with a silicone mouthpiece and polycarbonate housing.

Pros

Great breathability
Reliable and easy to use
Prompt delivery and well-packed
Inexpensive and good value
Works well in cold water

Aqualung ABS Octopus

22 reviews

SKU: UDRABS

^$219

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In Stock

DESCRIPTION

A reliable, nitrox-ready octopus with good breathing performance and a quick-release mounting clip.

Pros

Well-designed
Good price
Easy to fold
Compact size
Breathable

Atomic Aquatics T3 Titanium Swivel Sealed Regulator

15 reviews

SKU: ATMT3RY

^$2369.95

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In Stock

DESCRIPTION

A lightweight, titanium regulator with a swivel feature for easy breathing and unparalleled reliability.

Oceanic Alpha 8 SP5 Piston Regulator, Black

13 reviews

SKU: OCNA8SP5BK

^$334.95

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In Stock

DESCRIPTION

A durable black piston regulator with easy breathing, Nitrox compatibility, and exceeding safety standards.

Sherwood Brut Pro Regulator

13 reviews

SKU: SWDBRP

^$400

+ wishlist

In Stock

DESCRIPTION

A reliable Sherwood Brut Pro regulator with optimal inhalation and exhalation, nitrox compatible up to 40%.

Scubapro MK25 EVO/S620Ti Dive Regulator System

9 reviews

SKU: SCPM25ES620

^$1249

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with a balanced piston first stage and adjustable inhalation control.

Cressi AC2/XS2 Regulator & XS2 Octo Package

9 reviews

SKU: PCKXS2

~~$344.90~~ Save: $45.90 (13%)

^$299

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In Stock

DESCRIPTION

A lightweight, high-performance regulator and octopus package with a non-balanced flow-by piston design.

Cressi Octopus Compact

9 reviews

SKU: CSBOC

^$159.95

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In Stock

DESCRIPTION

A reliable and comfortable Cressi octopus with a low profile design and non-corrosive materials.

XS Scuba Alt Air Octopus

8 reviews

SKU: XSSAAOBK

^$97.95

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In Stock

DESCRIPTION

A classic downstream demand valve octopus with an intelligent in-line mouthpiece and Miflex hose.

Atomic Aquatics ST1 Swivel Sealed Regulator

7 reviews

SKU: ATMST1SS

^$1649.95

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In Stock

DESCRIPTION

A corrosion-resistant stainless steel regulator with smooth breathing and tangle-free movement.

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, ergonomic regulator with a titanium second stage and patented comfort swivel.

Dive Rite XT2 Second Stage Regulator (No Hose)

7 reviews

SKU: DIVRG5200R

^$199

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced second stage with a carbon fiber cover and ABS plastic case.

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

^$575

+ wishlist

In Stock

DESCRIPTION

A patented, environmentally sealed regulator with optimal hose routing and Teflon-coated parts.

Dive Rite XT1/XT2 Advanced Open Water Regulator Package

5 reviews

SKU: DIVPK53Y

^$975

+ wishlist

In Stock

DESCRIPTION

A streamlined, environmentally sealed regulator with adjustable 2nd stage and cold-water ready components.

Aqualung Leg3nd Octopus

5 reviews

SKU: UDRLO

^$319

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced octopus with easy work-of-breathing, venturi switch, and nitrox compatibility.

Atomic Aquatics Z2 Octopus, Yellow

5 reviews

SKU: ATMZ2OYL

^$339.95

+ wishlist

In Stock

DESCRIPTION

A compact and economical yellow octopus with adjustable 2nd stage, perfect for oxygen enriched mixtures.

Atomic Aquatics Safe Second Inflator (SS1), Titanium

4 reviews

SKU: ATMSS1T

^$519.95

+ wishlist

In Stock

DESCRIPTION

A streamlined titanium inflator with high flow 2nd stage and oversized buttons for easy single hand operation.

Cressi Octopus Compact Pro

4 reviews

SKU: CSBOCPN

^$179.95

+ wishlist

In Stock

DESCRIPTION

A low profile octopus with a comfortable silicone mouthpiece and smooth operation.

OMS Evoque 2nd Stage Only (No Hose)

4 reviews

SKU: OMSRESS

^$260

+ wishlist

In Stock

DESCRIPTION

A lightweight, adjustable 2nd stage regulator with a pneumatically balanced valve and ergonomic venturi lever.

Atomic Aquatics B2 Sealed Regulator, DIN

3 reviews

SKU: ATMB2SDBK

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A DIN-type, environmentally sealed first stage regulator with swivel design and automatic flow control.

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Diving Backup Regulators

A diving backup regulator, often referred to as an “octopus” or “safe second,” is a fundamental part of every diver’s equipment configuration, providing a critical alternate air source in the event of an out-of-air emergency. Whether you’re a recreational diver exploring sun-dappled reefs as the weather warms or a seasoned technical diver venturing into deeper or more challenging environments, having a reliable backup regulator is not just a best practice—it’s a necessity. The design of these regulators is intentionally straightforward: they’re brightly colored, typically in yellow for high visibility, and are mounted in a way that makes them easy to locate in stressful situations. Most divers secure their backup second stage within a triangle between the chin and ribcage, either clipped to their BCD or suspended from a breakaway necklace, ensuring it’s always within easy reach. For those who prefer a long hose or primary donate setup, the backup regulator is kept on a bungee necklace under the chin, ready to be deployed if a buddy needs air. Integrated BCD inflator options are also available, combining the alternate air source with your buoyancy control inflator, though these require specific training and practice to use effectively in emergencies.

When evaluating which backup regulator is right for you, there are several key factors to consider. Performance should never be compromised for the sake of price or the assumption that a backup will “rarely be used.” In reality, a stressful, low-air situation is precisely when you need a backup that breathes as smoothly and reliably as your primary. Features like balanced valves and diver-adjustable controls help prevent free-flow at the surface and ensure consistent performance at depth. Maintenance is equally important: a backup regulator should be serviced annually along with your primary to guarantee it’s always ready for action. For those shopping for a gift, a high-quality backup regulator makes a thoughtful and practical choice for any diver, from beginners completing their open water certification to experienced dive professionals or rescue divers who depend on robust, dependable gear. Gifting a backup regulator is a gesture of care and safety, especially as dive travel and group outings become more popular during the warmer and early fall months.

Selecting the right backup regulator is about more than just checking a box on your gear list—it’s about peace of mind for you and your dive buddy. Whether you’re evaluating the scuba company scuba.com on regulators or comparing different setups, be sure to match your choice to your diving style and comfort level. Some divers prefer the traditional octo with a longer hose for side-by-side ascents, while others opt for integrated inflator models to reduce hose clutter. No matter your preference, always prioritize reliability, ease of access, and regular servicing. For a comprehensive look at alternate air source options and additional safety gear, visit our curated collection of Safety Diving Regulators. Equipping yourself with a dependable backup regulator is a small investment in your underwater adventures, ensuring every dive is as safe and enjoyable as possible.