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Aquarium CO2 Accessories

  • Aquario Neo P-Clip accessory showing a black plastic clip with a curved design for securing cables or tubing.
    Aquario Neo P-Clip accessory from Aquario, showing a close-up of the durable plastic P-clip used for securing equipment.
    $ 9.99 - $ 9.99
    $ 9.99
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    $ 9.99

    Aquario Neo P-Clip

    The Aquario Neo P-Clip is an accessory for any CO2 setups. This clip will hang from the edge of the rim and run CO2 straight into the diffuser. The...

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    $ 9.99 - $ 9.99
    $ 9.99
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    $ 9.99
  • Aquario Neo U-Clips accessory with clear plastic U-shaped clips for aquarium setup and maintenance.
    Aquario Neo U-Clips accessories in black, designed for secure cable or pipe management, with a U-shaped clip design.
    $ 6.99 - $ 6.99
    $ 6.99
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    Aquario Neo U-Clips

    The Aquario Neo U-Clip is an accessory for any CO2 setups. This clip is designed to sit on the rim of tanks and keep airline tubing secure. When us...

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    $ 6.99 - $ 6.99
    $ 6.99
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  • Aquario Neo CO2 Tiny Curved Diffuser made of acrylic for efficient CO2 diffusion in aquarium setups.
    Aquario Neo CO2 Tiny Curved Diffuser made of acrylic, designed for efficient CO2 diffusion in aquariums.
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    $ 22.99
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    $ 16.99
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    $ 16.99

    Aquario Neo CO2 Curved Diffuser - Tiny

    The Aquario NEO CO2 Curved Tiny series adds a new feature on the Extended Species series. The Curved series features a convenient pre bend tubing t...

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    $ 22.99
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  • Aquario Neo CO2 curved special diffuser for aquarium CO2 injection, compact and efficient for even gas distribution.
    Aquario Neo CO2 curved acrylic diffuser for aquarium, designed for efficient CO2 dispersion in aquatic tanks.
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    $ 0.00 - $ 25.19
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    $ 16.99

    Aquario Neo CO2 Curved Special Diffuser

    The Aquario NEO CO2 Curved Special series adds a new twist on the Extended Species series. The Curved series features a convenient pre bend tubing ...

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  • Acrylic Aquario Neo CO2 Curved Original Diffuser for aquarium CO2 injection system, showcasing its curved design.
    Aquario Neo CO2 Curved Original Diffuser made of acrylic, designed for efficient CO2 diffusion in aquariums.
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    $ 18.99 - $ 22.99
    $ 18.99 - $ 22.99
    $ 18.99
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    $ 14.99

    Aquario Neo CO2 Curved Original Diffuser

    The Aquario NEO CO2 Curved Original series adds a new twist on the Extended Original series. The Curved Original series features a convenient pre b...

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    $ 18.99 - $ 22.99
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  • Aquario Neo CO2 Extended Original Diffuser for aquarium CO2 systems, made of acrylic with fine diffusion mesh.
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    $ 18.99 - $ 22.99
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    Aquario Neo CO2 Extended Original Diffuser

    The Aquario NEO Air Diffuser produces tiny air bubbles when compared to other air stones. This reduces noise and splash and allows for higher oxyge...

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    $ 18.99 - $ 22.99
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  • Aquario Neo CO2 normal special diffuser for aquarium, made of acrylic, enhances CO2 dispersion in aquatic environments.
    Aquario Neo CO2 normal special diffuser for aquarium, acrylic construction, designed to diffuse CO2 efficiently in aquatic tanks.
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    $ 13.50 - $ 15.00
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    $ 13.50

    Aquario Neo CO2 Normal Special Diffuser

    The Aquario NEO CO2 Normal Special series is similar to the Normal Original Diffuser in size. The main difference is that diffusers in the Special ...

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  • UNS Pro CO2 manifold block for CO2 systems, featuring multiple outlets and control valves for precise gas management.
    UNS Pro CO2 Manifold Block
    $ 34.99 - $ 124.99
    $ 34.99 - $ 124.99
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    $ 34.99

    UNS Pro CO2 Manifold Block

    UNS PRO Manifold BlockThis listing is for one separate CO2 manifold block and does not include the UNS Pro Dual Stage CO2 Regulator. Connecting mul...

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    $ 34.99 - $ 124.99
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    $ 34.99
  • UNSCO2 CO2 paintball adapter in space grey, designed for easy connection and reliable performance in paintball equipment.
    UNS CO2 Paintball Adapter in space grey, designed for easy CO2 tank connection, featuring a compact and durable build.
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    UNS CO2 Paintball Adapter - Space Grey

    Attach your CO2 regulator to a paintball CO2 tank using this adapter! A built-in pressure relief hole is included for increased safety measures whe...

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  • UNS Mini Dual Stage CO2 Regulator for precise control of CO2 flow, featuring dual gauges and compact design.
    UNS Mini Dual Stage CO2 Regulator for precise CO2 control, featuring dual gauges and compact design.
    $ 157.99 - $ 157.99
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    UNS Mini Dual Stage CO2 Regulator

    UNS Mini Dual Stage CO2 Regulator **This item qualifies for free shipping** The redesigned UNS Mini CO2 Regulator is now a dual-stage regulator wi...

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    $ 157.99 - $ 157.99
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  • UNS Pro Dual Stage CO2 Regulator with gauges and control knobs for precise gas pressure regulation in aquarium or beverage setups.
    UNS Pro Dual Stage CO2 Regulator for precision control, featuring gauges and brass construction, used for CO2 tank regulation.
    $ 219.99 - $ 219.99
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    UNS Pro Dual Stage CO2 Regulator

    UNS PRO Dual Stage CO2 Regulator **This item qualifies for free shipping** The UNS Dual Stage CO2 Regulator contains two gauges to show both wor...

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    $ 219.99 - $ 219.99
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  • UNS Advanced Check Valve for CO2 systems, showing the compact brass valve with inlet and outlet connections for reliable flow control.
    UNSCO2 CO2 check valve with threaded metal fittings, compact design, and durable construction for gas flow control.
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    UNS Advanced Check Valve

    Advanced Check Valve Check valves are used to prevent liquid backflow on an airline or CO2 tubing. When using either an air pump or CO2 system, it ...

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  • Acrylic Twinstar CO2 diffuser for aquarium, showcasing the clear, compact device with fine ceramic disc for efficient CO2 dispersion.
    Twinstar CO2 diffuser made of acrylic, designed for aquarium CO2 systems, featuring a sleek, clear acrylic construction for efficient gas dispersion.
    $ 12.99 - $ 14.99
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    Twinstar CO2 Diffuser - Acrylic

    This CO2 diffuser dissolves carbon dioxide into a fine mist of bubbles which allows for better dissolution in your water column. Twinstar's CO2 dif...

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  • Aquario Neo CO2 Refill for DIY CO2 kit, showing a refill canister designed for aquarium CO2 systems.
    $ 11.99 - $ 11.99
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    Aquario Neo CO2 Refill - DIY CO2 Kit

    You will receive one bag of Aquario NEO CO2 Bio Powder for refilling your Aquario NEO CO2 DIY Kit. Aquario NEO DIY CO2 Kit is the perfect CO2 syste...

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    $ 11.99 - $ 11.99
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  • Aquario Neo CO2 DIY kit for aquarium CO2 injection, includes regulator and tubing, designed for easy CO2 setup.
    $ 21.99 - $ 21.99
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    Aquario Neo CO2 - DIY CO2 Kit

    Aquario NEO DIY CO2 Kit is the perfect CO2 system for beginners. Carbon is an important nutrient needed by plants to grow. The best way to supply y...

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    $ 21.99 - $ 21.99
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  • Aquario Neo CO2 Extended Special Diffuser for aquarium CO2 systems, made of acrylic with a sleek, extended design
    Aquario Neo CO2 Extended Special Diffuser for aquarium CO2 systems, made of acrylic with fine diffusion features.
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    $ 24.49 - $ 28.49
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    Aquario Neo CO2 Extended Special Diffuser

    The Aquario NEO CO2 Extended diffuser dissolves carbon dioxide into a fine mist of bubbles which allows for better dissolution in your water column...

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  • Qanvee CO2 inline atomizer for carbon dioxide inflation, compact and durable for bike tires and cycling applications.
    Qanvee CO2 Inline Atomizer for carbon dioxide inflating systems, featuring compact design and durable construction.
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    Qanvee CO2 Inline Atomizer

      The Qanvee CO2 atomizer will provide extremely fine dissolution of CO2 in the aquarium's water column, making it readily available to be absorbed...

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  • CLSMTC Ultum Nature Systems disposable CO2 cartridge for aquarium or gardening use, shown in the image.
    CLSMTC Ultum Nature Systems disposable CO2 cartridge for aquarium or beverage use, compact and easy to install.
    $ 15.99 - $ 64.99
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    Ultum Nature Systems Disposable CO2 Cartridge

    This disposable CO2 Cartridge makes refills quick and painless. 90 grams per cartridge, simply swap it out, reconnect a new cartridge and your ...

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    $ 15.99 - $ 64.99
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  • ASA CO2 Perma-Seal O-Ring for secure gas sealing, shown in close-up with black rubber appearance and detailed texture.
    ASA CO2 Perma-Seal O-Ring made of durable rubber, designed for secure sealing in CO2 systems, shown in the image.
    $ 7.99 - $ 74.99
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    CO2 Perma-Seal O-Ring

    Perma-Seal is used to prevent leaks between the CO2 cylinder tank and the CO2 regulator. Using a Perma-Seal replaces the need for cheap plastic O-r...

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    $ 7.99 - $ 74.99
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  • Aquario Neo CO2 Normal Original Diffuser for aquarium CO2 systems, made of acrylic, ensures efficient gas dispersion.
    Aquario Neo CO2 normal original diffuser for aquarium, made of acrylic, designed to evenly disperse CO2 in aquatic environments
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    $ 17.89 - $ 19.99
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    Aquario Neo CO2 Normal Original Diffuser

    The Aquario Neo CO2 diffuser dissolves carbon dioxide into a fine mist of bubbles which allows for better dissolution in your water column. These d...

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    $ 17.89 - $ 19.99
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  • UNSCO2 Micro CO2 Complete Kit with 7 pieces, including CO2 regulator, tubing, and accessories for aquarium use
    UNSCO2 Micro CO2 Complete Kit with 7 pieces, including CO2 regulator, hoses, and accessories for aquarium or beverage use.
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    UNS Micro CO2 Complete Kit - 7 Piece

    The UNS Micro CO2 Complete Kit is the perfect all-in-one solution for aquarists seeking a compact and reliable CO2 system for their nano planted ta...

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  • UNS Micro CO2 Regulator Kit for CO2 tanks, includes gauge and valve for precise gas flow control.
    UNS Micro CO2 Regulator Kit for CO2 tanks, featuring pressure gauge and adjustment valve, used for aquarium or beverage applications.
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    $ 89.99 - $ 89.99
    $ 89.99
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    UNS Micro CO2 Regulator Kit

    The UNS Micro CO2 Regulator Kit includes the regulator, solenoid and bubble counter conveniently packed into one box. All items work together seaml...

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    $ 89.99 - $ 89.99
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  • UNS Micro CO2 Bubble Counter for aquarium, compact device measuring CO2 bubbles visually in water.
    UNS Micro CO2 Bubble Counter for aquarium, clear plastic device with adjustable flow control for measuring CO2 bubbles.
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    UNS Micro CO2 Bubble Counter

    A detachable bubble counter with a built-in check valve that allows monitoring of CO2 output in the planted aquarium. This Micro Bubble Counter is ...

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    $ 8.99 - $ 8.99
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  • UNS Micro CO2 solenoid valve used for precise CO2 control in industrial or aquarium systems, with compact design.
    UNS Micro CO2 Solenoid valve for controlling CO2 flow, compact and durable industrial component by UNSCO2.
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    $ 24.99 - $ 24.99
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    UNS Micro CO2 Solenoid

    The UNS Micro CO2 Solenoid manages CO2 injection in the planted aquarium. Designed to be used with the Ultum Nature Systems Micro CO2 regulator, th...

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    $ 24.99 - $ 24.99
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Aquatic plants have two basic requirements- CO2 and light. A proper CO2 system is beneficial for healthy planted aquariums.

Our premium aquarium CO2 accessories are the key to unlocking vibrant, healthy plant growth and a truly thriving underwater ecosystem. This essential equipment allows you to precisely control CO2 levels, providing your aquatic plants with the carbon they need to flourish. 

Three main things are crucial for aquatic plant growth. CO2 is one of them! If any of the factors are unbalanced, unsightly algae have the chance to grow and overtake a planted aquarium. Using CO2 in a planted tank gives aquarium plants the boost they need to thrive and grow efficiently. With added strength, they are also able to out-compete algae for sources of nutrients in the aquarium. The use of CO2 for aquarium plants leads to full and bushy growth that all aquarium hobbyists are striving for.

Elevating your aquascape is simple and rewarding with the right aquarium CO2 accessories. Give your plants the boost they deserve.