Diving Redundant Systems

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP19

~~$209.95~~ Save: $20 (10%)

^$189.95

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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

Atomic Aquatics Safe Second Inflator (SS1), Stainless Steel

34 reviews

SKU: ATMSS1SYL

~~$449.95~~ Save: $67.95 (15%)

^$382

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In Stock

DESCRIPTION

A lightweight, streamlined stainless steel inflator with high flow 2nd stage and easy single hand operation.

Pros

Convenient
No leaks
Streamlined setup
Easy breathing at depth
Versatility

XS Scuba Pony Bag

14 reviews

SKU: XSSPBB19

^$27

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In Stock

DESCRIPTION

A sturdy and secure pony bag with self-draining mesh bottom, ideal for connecting to primary diving cylinder.

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.

H2Odyssey Quick Release EAS Bag for 6-cu. ft. Tank

6 reviews

SKU: H2EASB6

~~$11.95~~ Save: $4.00 (33%)

^$7.95

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In Stock

DESCRIPTION

A durable nylon bag that securely holds a 6 cu ft cylinder for easy accessibility.

Dive Rite Stage Bottle Rigging

2 reviews

SKU: DIV2053

~~$55~~ Save: $11 (20%)

^$44

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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.

Zeagle Single Pressure Gauge Imperial, 32" Rubber Hose

1 reviews

SKU: ZGLPGMH

~~$169.95~~ Save: $25.95 (15%)

^$144

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In Stock

DESCRIPTION

A compact and accurate pressure gauge with a luminescent face and high flexibility rubber hose.

Dive Rite Doubles Regulator Package

1 reviews

SKU: DIVPK53DB

~~$1050~~ Save: $210 (20%)

^$840

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In Stock

DESCRIPTION

A flexible and environmentally sealed regulator package with ergonomic second stage and accessories included.

XS Scuba Standard Over-Pressure Valve

SKU: XSSSOPV

^$20

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In Stock

DESCRIPTION

A compact relief valve with chromed brass construction and stainless steel internal spring.

Highland by XS Scuba 90 Degree Gauge Adapter

SKU: XSSNDGA

^$45

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In Stock

DESCRIPTION

A corrosion-resistant chromed brass gauge adapter that allows for mounting a mini tech gauge to an HP hose.

Highland by XS Scuba Inline Gauge Adapter

SKU: XSSIGA

^$51

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In Stock

DESCRIPTION

A chrome-plated brass inline gauge adapter for mounting a mini tech gauge to an HP hose.

H2Odyssey Station Filler for Extra Air Source

SKU: H2EASSFA

~~$39.95~~ Save: $14.96 (37%)

^$24.99

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In Stock

DESCRIPTION

A chrome plated marine brass accessory for filling extra air sources directly from fill stations.

Interspiro Divator RS4 4-Port DIN Regulator with Breathing Valve and Hose

SKU: INSDR4PGDK

^$816

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In Stock

DESCRIPTION

A high-performance, shockproof regulator with four low-pressure ports, a robust breathing valve, and a 28.5" UNF 3/8 hose.

Scubapro S270 Octopus, Yellow

SKU: SCPOS270

^$329

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In Stock

DESCRIPTION

A reliable and easy-to-use yellow backup breather with smooth, easy breathing and high-visibility features.

MiFlex Low Pressure Hoses

59 reviews

SKU: XSSLPH9

^$46.95

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In Stock

DESCRIPTION

A durable and lightweight scuba hose with kink-resistant design and chrome-plated brass fittings.

Pros

Lightweight and flexible
Variety of colors and sizes
Professional and customizable look
Durable and long-lasting
Easy to pack and store

Cressi Mini Pressure Gauge, PSI

50 reviews

SKU: CSBPGO

~~$124.95~~ Save: $30 (24%)

^$94.95

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In Stock

DESCRIPTION

A compact, high-quality Italian-made pressure gauge with a chrome-plated brass case and 0-5000 psi readout.

Pros

Clear display
Easy to read
Durability
Reliability
Compact size

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

Cressi Aquapro + BCD

20 reviews

SKU: CSBAPPMD

~~$399.95~~ Save: $100 (25%)

^$299.95

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In Stock

DESCRIPTION

A weight-integrated BCD with adjustable straps, multiple D-rings, and accessory pockets by Cressi.

Pros

Good value for money
Durable construction
Easy-to-use weight system
Comfortable fit
Secure tank hold

'Fill Your Own' Set of Ankle Weights Up to 3 lbs. (1.36kg)

18 reviews

SKU: AQUWB96

^$24.95

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In Stock

DESCRIPTION

A flexible neoprene ankle weight set that allows customization of weight and reduces leg buoyancy.

Dive Alert Deluxe Surface Marker Buoy

17 reviews

SKU: AQUDADSMB

^$64.95

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In Stock

DESCRIPTION

A highly visible surface marker buoy with an over-pressure valve and 400 Denier polyurethane coated nylon material.

Cressi Digi 2 Digital Console

13 reviews

SKU: CSBD2DCRD

~~$279.95~~ Save: $41.99 (15%)

^$237.96

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In Stock

DESCRIPTION

A compact, lightweight digital console with high contrast display for depth, tank pressure, and water temperature.

Padi Recreational Dive Planner Table

12 reviews

SKU: PDI60054

^$52.30

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In Stock

DESCRIPTION

A durable, waterproof dive planner table with easy-to-follow flow chart format for safe diving.

Waterproof Ultima Dry Glove Ring System

10 reviews

SKU: WPGUDGRS

^$282

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In Stock

DESCRIPTION

A streamlined dry glove system that easily attaches to all dry suit latex seals.

Hollis DC7 500SE Regulator with Maxflex Hose

10 reviews

SKU: HLSDC75D

~~$749.95~~ Save: $400.00 (53%)

^$349.95

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In Stock

DESCRIPTION

A high-performance regulator with over-balanced diaphragm, servo-controlled 2nd stage, and environmentally sealed first stage.

Cressi XS2/AC2 Regulator and XS Octopus Package

9 reviews

SKU: PCKXS2

~~$344.90~~ Save: $94.91 (28%)

^$249.99

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In Stock

DESCRIPTION

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

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Diving Redundant Systems

Diving redundant systems are a cornerstone of safe and confident underwater exploration, especially as the fall season brings cooler waters and divers seek out the last vibrant reefs and kelp forests before winter. Whether you’re a seasoned technical diver descending to challenging depths, a solo diver venturing into remote sites, or a recreational enthusiast eager to add an extra layer of security to your kit, redundant air supplies offer peace of mind and practical safety. The core principle is simple: always have a backup. Redundant systems typically include a secondary, independent air source—such as a pony bottle scuba setup, a compact spare air unit, or a dedicated secondary cylinder with its own regulator—mounted securely and easily accessible. These systems are engineered to function entirely separately from your primary air supply, meaning a failure in your main system won’t compromise your ability to ascend safely. For many divers, the first time they see a scuba pony bottle clipped to a fellow diver’s rig, it’s a revelation: a small, streamlined tank, often 19 to 30 cubic feet, rigged with its own regulator and pressure gauge, ready to deliver life-saving air if the unexpected occurs. The confidence that comes from knowing you have a redundant system at your side is hard to overstate—especially when exploring deeper wrecks, intricate cave systems, or cold, low-visibility waters where assistance may not be immediately at hand.

Selecting the right redundant system involves careful consideration of your diving style, training, and the environments you visit. Technical divers, who may run dual cylinders connected by a manifold or sidemount configuration, require robust, high-capacity setups with independent regulators and gauges, often integrating brands and components like h2o odyssey for modular adaptability. Recreational divers and those new to redundancy often prefer the simplicity and portability of a pony bottle scuba or spare air cylinder, which can be easily mounted to the main tank or carried in a streamlined holster. These smaller systems are especially popular as thoughtful gifts for divers who are expanding their skillset or beginning to venture into more advanced dives—offering both practical safety and a tangible sense of preparedness. Dive rite in scuba communities is to emphasize not just the equipment itself, but the importance of regular maintenance, proper training, and practice in deploying backup air sources. Before every dive, it’s essential to check the fill pressure, inspect O-rings and valves, and ensure the system is securely attached yet quickly accessible. In the event of an emergency, muscle memory and calm, practiced movements are your best allies—so integrating redundant system drills into your routine is highly recommended.

Redundant systems also dovetail seamlessly with other modular gear setups, allowing divers to customize their loadout for each adventure. As you refine your kit, you may wish to explore options like dual bladder wings, backup lights, and additional safety gear, all of which can be found in related categories such as Diving Modular Systems. The versatility of modern redundant systems means they’re suitable for everything from quick shore dives to multi-hour technical explorations, and their compact designs ensure they won’t get in the way of mobility or enjoyment underwater. As autumn’s crisp air settles in and dive conditions shift, having a reliable backup air supply becomes even more critical—whether you’re braving the chill for a late-season drift dive or gifting a loved one a new layer of safety for their next adventure. Ultimately, investing in a redundant system is about more than just equipment; it’s about fostering a mindset of preparedness, resilience, and respect for the unpredictable nature of the underwater world. With the right backup in place, you can focus on the wonders below the surface, knowing that you’re equipped for whatever the dive may bring.