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CO2 Accessories

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

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 in a planted tank leads to full and bushy growth that all aquarium hobbyists are striving for.

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  • UNS Mini Dual Stage CO2 Regulator
    UNS Mini Dual Stage CO2 Regulator
    Original price $ 157.99 - Original price $ 157.99
    Original price
    $ 157.99
    $ 157.99 - $ 157.99
    Current price $ 157.99

    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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    Original price $ 157.99 - Original price $ 157.99
    Original price
    $ 157.99
    $ 157.99 - $ 157.99
    Current price $ 157.99
  • UNS Pro Dual Stage CO2 Regulator
    UNS Pro Dual Stage CO2 Regulator
    Original price $ 219.99 - Original price $ 219.99
    Original price
    $ 219.99
    $ 219.99 - $ 219.99
    Current price $ 219.99

    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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    Original price $ 219.99 - Original price $ 219.99
    Original price
    $ 219.99
    $ 219.99 - $ 219.99
    Current price $ 219.99
  • UNS Pro CO2 Manifold Block
    UNS Pro CO2 Manifold Block
    Original price $ 34.99 - Original price $ 139.99
    Original price
    $ 34.99 - $ 139.99
    $ 34.99 - $ 139.99
    Current price $ 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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    Original price $ 34.99 - Original price $ 139.99
    Original price
    $ 34.99 - $ 139.99
    $ 34.99 - $ 139.99
    Current price $ 34.99
  • UNS CO2 Cylinder Pro - 5LB
    UNS CO2 Cylinder Pro - 5LB
    Save 15% Save %
    Original price $ 159.99
    Original price $ 159.99 - Original price $ 159.99
    Original price $ 159.99
    Current price $ 135.99
    $ 135.99 - $ 135.99
    Current price $ 135.99

    UNS CO2 Cylinder Pro - 5LB

    Designed specifically for use with the Ultum Nature Systems, Dual Stage Pro CO2 Regulator, this CO2 Cylinder is a planted tank hobbyist essential f...

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    Original price $ 159.99
    Original price $ 159.99 - Original price $ 159.99
    Original price $ 159.99
    Current price $ 135.99
    $ 135.99 - $ 135.99
    Current price $ 135.99
    Save 15% Save %
  • UNS CO2 Cylinder Pro - 10LB
    UNS CO2 Cylinder Pro - 10LB
    Save 6% Save %
    Original price $ 179.99
    Original price $ 179.99 - Original price $ 179.99
    Original price $ 179.99
    Current price $ 169.99
    $ 169.99 - $ 169.99
    Current price $ 169.99

    UNS CO2 Cylinder Pro - 10LB

    Designed specifically for use with the Ultum Nature Systems, Dual Stage Pro CO2 Regulator, this CO2 Cylinder is a planted tank hobbyist essential f...

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    Original price $ 179.99
    Original price $ 179.99 - Original price $ 179.99
    Original price $ 179.99
    Current price $ 169.99
    $ 169.99 - $ 169.99
    Current price $ 169.99
    Save 6% Save %
  • UNS CO2 Cylinder Pro - 20LB
    UNS CO2 Cylinder Pro - 20LB
    Original price $ 239.99 - Original price $ 239.99
    Original price
    $ 239.99
    $ 239.99 - $ 239.99
    Current price $ 239.99

    UNS CO2 Cylinder Pro - 20LB

    Designed specifically for use with the Ultum Nature Systems, Dual Stage Pro CO2 Regulator, this CO2 Cylinder is a planted tank hobbyist essential f...

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    Original price $ 239.99 - Original price $ 239.99
    Original price
    $ 239.99
    $ 239.99 - $ 239.99
    Current price $ 239.99
  • UNS CO2 Paintball Cylinder - 16 Oz.
    UNS CO2 Paintball Cylinder - 16 Oz.
    Original price $ 57.99 - Original price $ 57.99
    Original price
    $ 57.99
    $ 57.99 - $ 57.99
    Current price $ 57.99

    UNS CO2 Paintball Cylinder - 16 Oz.

    A planted aquarium essential! Complete your pressurized CO2 system for your planted tank with the UNS CO2 Paintball Cylinder. Available in two size...

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    Original price $ 57.99 - Original price $ 57.99
    Original price
    $ 57.99
    $ 57.99 - $ 57.99
    Current price $ 57.99
  • UNS CO2 Paintball Cylinder - 24 Oz.
    UNS CO2 Paintball Cylinder - 24 Oz.
    Original price $ 64.99 - Original price $ 64.99
    Original price
    $ 64.99
    $ 64.99 - $ 64.99
    Current price $ 64.99

    UNS CO2 Paintball Cylinder - 24 Oz.

    A planted aquarium essential! Complete your pressurized CO2 system for your planted tank with the UNS CO2 Paintball Cylinder. Available in two size...

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    Original price $ 64.99 - Original price $ 64.99
    Original price
    $ 64.99
    $ 64.99 - $ 64.99
    Current price $ 64.99
  • Aquario NEO CO2 Refill - DIY CO2 Kit
    Original price $ 11.99 - Original price $ 11.99
    Original price
    $ 11.99
    $ 11.99 - $ 11.99
    Current price $ 11.99

    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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    Original price $ 11.99 - Original price $ 11.99
    Original price
    $ 11.99
    $ 11.99 - $ 11.99
    Current price $ 11.99
  • Aquario NEO CO2 Extended Special Diffuser - Acrylic
    Aquario NEO CO2 Extended Special Diffuser - Acrylic
    Save up to 37% Save %
    Original price $ 24.49 - Original price $ 28.49
    Original price $ 24.49 - Original price $ 28.49
    Original price $ 24.49
    $ 15.99 - $ 17.99
    $ 15.99 - $ 17.99
    Current price $ 15.99

    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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    Original price $ 24.49 - Original price $ 28.49
    Original price $ 24.49 - Original price $ 28.49
    Original price $ 24.49
    $ 15.99 - $ 17.99
    $ 15.99 - $ 17.99
    Current price $ 15.99
    Save up to 37% Save %
  • Twinstar CO2 Diffuser - Acrylic
    Twinstar CO2 Diffuser - Acrylic
    Original price $ 12.99 - Original price $ 14.99
    Original price
    $ 12.99 - $ 14.99
    $ 12.99 - $ 14.99
    Current price $ 12.99

    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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    Original price $ 12.99 - Original price $ 14.99
    Original price
    $ 12.99 - $ 14.99
    $ 12.99 - $ 14.99
    Current price $ 12.99
  • Aquario Neo CO2 Normal Original Diffuser - Acrylic
    Aquario Neo CO2 Normal Original Diffuser - Acrylic
    Save up to 30% Save %
    Original price $ 17.89 - Original price $ 19.99
    Original price $ 17.89 - Original price $ 19.99
    Original price $ 17.89
    $ 12.99 - $ 13.99
    $ 12.99 - $ 13.99
    Current price $ 12.99

    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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    Original price $ 17.89 - Original price $ 19.99
    Original price $ 17.89 - Original price $ 19.99
    Original price $ 17.89
    $ 12.99 - $ 13.99
    $ 12.99 - $ 13.99
    Current price $ 12.99
    Save up to 30% Save %
  • Qanvee CO2 Inline Atomizer
    Qanvee CO2 Inline Atomizer
    Original price $ 10.99 - Original price $ 31.99
    Original price
    $ 10.99 - $ 31.99
    $ 10.99 - $ 31.99
    Current price $ 10.99

    Qanvee CO2 Inline Atomizer

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

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    Original price $ 10.99 - Original price $ 31.99
    Original price
    $ 10.99 - $ 31.99
    $ 10.99 - $ 31.99
    Current price $ 10.99
  • Aquario NEO CO2 Curved Special Diffuser - Acrylic
    Aquario NEO CO2 Curved Special Diffuser - Acrylic
    Save up to 26% Save %
    Original price $ 20.99 - Original price $ 25.19
    Original price $ 20.99 - Original price $ 25.19
    Original price $ 20.99
    $ 15.99 - $ 19.99
    $ 15.99 - $ 19.99
    Current price $ 15.99

    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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    Original price $ 20.99 - Original price $ 25.19
    Original price $ 20.99 - Original price $ 25.19
    Original price $ 20.99
    $ 15.99 - $ 19.99
    $ 15.99 - $ 19.99
    Current price $ 15.99
    Save up to 26% Save %
  • Aquario NEO CO2 Normal Special Diffuser - Acrylic
    Aquario NEO CO2 Normal Special Diffuser - Acrylic
    Save up to 29% Save %
    Original price $ 17.89 - Original price $ 20.99
    Original price $ 17.89 - Original price $ 20.99
    Original price $ 17.89
    $ 13.50 - $ 15.00
    $ 13.50 - $ 15.00
    Current price $ 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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    Original price $ 17.89 - Original price $ 20.99
    Original price $ 17.89 - Original price $ 20.99
    Original price $ 17.89
    $ 13.50 - $ 15.00
    $ 13.50 - $ 15.00
    Current price $ 13.50
    Save up to 29% Save %
  • Aquario NEO CO2 Curved Original Diffuser - Acrylic - BucePlant.com
    Aquario NEO CO2 Curved Original Diffuser - Acrylic - BucePlant.com
    Save up to 26% Save %
    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99
    $ 14.99 - $ 16.99
    $ 14.99 - $ 16.99
    Current price $ 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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    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99
    $ 14.99 - $ 16.99
    $ 14.99 - $ 16.99
    Current price $ 14.99
    Save up to 26% Save %
  • Aquario NEO CO2 Extended Original Diffuser - Acrylic - BucePlant.com
    Save up to 26% Save %
    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99
    $ 14.99 - $ 16.99
    $ 14.99 - $ 16.99
    Current price $ 14.99

    Aquario Neo CO2 Extended Original Diffuser

    The Aquario NEO CO2 Extended Original series is the extended version of the Normal Original series. The tube length has been increased to remove th...

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    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99 - Original price $ 22.99
    Original price $ 18.99
    $ 14.99 - $ 16.99
    $ 14.99 - $ 16.99
    Current price $ 14.99
    Save up to 26% Save %
  • Dymax CO2 Drop Checker
    Dymax CO2 Drop Checker
    Save up to 56% Save %
    Original price $ 13.99 - Original price $ 20.99
    Original price $ 13.99 - Original price $ 20.99
    Original price $ 13.99
    $ 5.99 - $ 20.99
    $ 5.99 - $ 20.99
    Current price $ 5.99

    Dymax CO2 Drop Checker

    The Dymax CO2 Drop Checker is a great and essential option to monitor the CO2 levels in an aquarium. It is difficult to know how much CO2 is dissol...

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    Original price $ 13.99 - Original price $ 20.99
    Original price $ 13.99 - Original price $ 20.99
    Original price $ 13.99
    $ 5.99 - $ 20.99
    $ 5.99 - $ 20.99
    Current price $ 5.99
    Save up to 56% Save %
  • Aquario NEO CO2 Curved Tiny Diffuser - Acrylic
    Aquario NEO CO2 Curved Tiny Diffuser - Acrylic
    Save 26% Save %
    Original price $ 22.99
    Original price $ 22.99 - Original price $ 22.99
    Original price $ 22.99
    Current price $ 16.99
    $ 16.99 - $ 16.99
    Current price $ 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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    Original price $ 22.99
    Original price $ 22.99 - Original price $ 22.99
    Original price $ 22.99
    Current price $ 16.99
    $ 16.99 - $ 16.99
    Current price $ 16.99
    Save 26% Save %
  • Dymax CO2 Disposable Cartridge Holder
    Dymax CO2 Disposable Cartridge Holder
    Original price $ 5.99 - Original price $ 5.99
    Original price
    $ 5.99
    $ 5.99 - $ 5.99
    Current price $ 5.99

    CO2 Disposable Cartridge Holder

    This CO2 disposable cartridge hanger is a great way to hoist a mini CO2 cartridge on the side of a planted aquarium. Made from durable acrylic mate...

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    Original price $ 5.99 - Original price $ 5.99
    Original price
    $ 5.99
    $ 5.99 - $ 5.99
    Current price $ 5.99
  • CO2 Proof Tubing - Black
    CO2 Proof Tubing - Black
    Original price $ 9.99 - Original price $ 13.99
    Original price
    $ 9.99 - $ 13.99
    $ 9.99 - $ 13.99
    Current price $ 9.99

    CO2 Proof Tubing - Black

    CO2 Tubing is a commonly overlooked essential for your CO2 set up.  Many users make the mistake of using regular cheap airline tubing to connect th...

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    Original price $ 9.99 - Original price $ 13.99
    Original price
    $ 9.99 - $ 13.99
    $ 9.99 - $ 13.99
    Current price $ 9.99
  • CO2 Proof Tubing - Blue
    CO2 Proof Tubing - Blue
    Original price $ 9.99 - Original price $ 13.99
    Original price
    $ 9.99 - $ 13.99
    $ 9.99 - $ 13.99
    Current price $ 9.99

    CO2 Proof Tubing - Blue

    CO2 Tubing is a commonly overlooked essential for your CO2 set up. Many users make the mistake of using regular cheap airline tubing to connect the...

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    Original price $ 9.99 - Original price $ 13.99
    Original price
    $ 9.99 - $ 13.99
    $ 9.99 - $ 13.99
    Current price $ 9.99
  • Aquario Neo U-Clips
    Aquario Neo U-Clips
    Original price $ 6.99 - Original price $ 6.99
    Original price
    $ 6.99
    $ 6.99 - $ 6.99
    Current price $ 6.99

    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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    Original price $ 6.99 - Original price $ 6.99
    Original price
    $ 6.99
    $ 6.99 - $ 6.99
    Current price $ 6.99
  • Aquario Neo P-Clip
    Aquario Neo P-Clip
    Original price $ 9.99 - Original price $ 9.99
    Original price
    $ 9.99
    $ 9.99 - $ 9.99
    Current price $ 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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    Original price $ 9.99 - Original price $ 9.99
    Original price
    $ 9.99
    $ 9.99 - $ 9.99
    Current price $ 9.99
  • Aquario NEO CO2 Extended Tiny Diffuser - Acrylic
    Aquario NEO CO2 Extended Tiny Diffuser - Acrylic
    Save 26% Save %
    Original price $ 22.99
    Original price $ 22.99 - Original price $ 22.99
    Original price $ 22.99
    Current price $ 16.99
    $ 16.99 - $ 16.99
    Current price $ 16.99

    Aquario Neo CO2 Extended Diffuser - Tiny

    The Aquario NEO CO2 Extended Tiny features a long diffuser tube that can be bent to the desired size. Diffusers in the Tiny series do not have a bu...

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    Original price $ 22.99
    Original price $ 22.99 - Original price $ 22.99
    Original price $ 22.99
    Current price $ 16.99
    $ 16.99 - $ 16.99
    Current price $ 16.99
    Save 26% Save %
  • UNS CO2 Paintball Adapter - Space Grey
    UNS CO2 Paintball Adapter - Space Grey
    Original price $ 12.99 - Original price $ 12.99
    Original price
    $ 12.99
    $ 12.99 - $ 12.99
    Current price $ 12.99

    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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    Original price $ 12.99 - Original price $ 12.99
    Original price
    $ 12.99
    $ 12.99 - $ 12.99
    Current price $ 12.99
  • Aquario Neo CO2 Normal Tiny Diffuser - Acrylic
    Aquario Neo CO2 Normal Tiny Diffuser - Acrylic
    Save 25% Save %
    Original price $ 17.89
    Original price $ 17.89 - Original price $ 17.89
    Original price $ 17.89
    Current price $ 13.50
    $ 13.50 - $ 13.50
    Current price $ 13.50

    Aquario Neo CO2 Normal Diffuser - Tiny

    The Aquario NEO CO2 Normal Tiny features a shorter tube length and can be used for both rimless and rimmed aquariums. Diffusers in the Tiny series ...

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    Original price $ 17.89
    Original price $ 17.89 - Original price $ 17.89
    Original price $ 17.89
    Current price $ 13.50
    $ 13.50 - $ 13.50
    Current price $ 13.50
    Save 25% Save %
  • Aquario Neo Mixer - Shop Planted Aquarium Equipment - Buce Plant
    Aquario Neo Mixer - Shop Planted Aquarium Equipment - Buce Plant
    Original price $ 28.99 - Original price $ 28.99
    Original price
    $ 28.99
    $ 28.99 - $ 28.99
    Current price $ 28.99

    Aquario Neo Mixer

    The Neo Mixer by Aquario is an optional accessory that can be used with the Aquario Neo Flow line of lily pipes. Neo Mixer features an integrated d...

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    Original price $ 28.99 - Original price $ 28.99
    Original price
    $ 28.99
    $ 28.99 - $ 28.99
    Current price $ 28.99
  • UNS Advanced Check Valve
    UNS Advanced Check Valve
    Original price $ 12.99 - Original price $ 12.99
    Original price
    $ 12.99
    $ 12.99 - $ 12.99
    Current price $ 12.99

    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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    Original price $ 12.99 - Original price $ 12.99
    Original price
    $ 12.99
    $ 12.99 - $ 12.99
    Current price $ 12.99
  • Aquario NEO CO2 - DIY CO2 Kit
    Original price $ 21.99 - Original price $ 21.99
    Original price
    $ 21.99
    $ 21.99 - $ 21.99
    Current price $ 21.99

    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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    Original price $ 21.99 - Original price $ 21.99
    Original price
    $ 21.99
    $ 21.99 - $ 21.99
    Current price $ 21.99
  • UNS Drop Checker Solution - 30ML
    UNS Drop Checker Solution - 30ML
    Original price $ 7.99 - Original price $ 7.99
    Original price
    $ 7.99
    $ 7.99 - $ 7.99
    Current price $ 7.99

    UNS Drop Checker Solution - 30ML

    Replacement indicator solution for the UNS Drop Checker. This listing is for the solution only and does not include the drop checker. Indicator so...

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    Original price $ 7.99 - Original price $ 7.99
    Original price
    $ 7.99
    $ 7.99 - $ 7.99
    Current price $ 7.99
  • UNS Drop Checker
    UNS Drop Checker
    Original price $ 13.99 - Original price $ 13.99
    Original price
    $ 13.99
    $ 13.99 - $ 13.99
    Current price $ 13.99

    UNS Drop Checker

    The UNS Drop Checker is an essential tool for monitoring  CO2 levels in a planted aquarium. Available in two styles, the UNS Drop Checker is simpl...

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    Original price $ 13.99 - Original price $ 13.99
    Original price
    $ 13.99
    $ 13.99 - $ 13.99
    Current price $ 13.99
  • Ultum Nature System Disposable CO2 Cartridge
    Ultum Nature System Disposable CO2 Cartridge
    Original price $ 14.99 - Original price $ 59.99
    Original price
    $ 14.99 - $ 59.99
    $ 14.99 - $ 59.99
    Current price $ 14.99

    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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    Original price $ 14.99 - Original price $ 59.99
    Original price
    $ 14.99 - $ 59.99
    $ 14.99 - $ 59.99
    Current price $ 14.99
  • Base Holder - Disposable CO2 Cartridge
    Original price $ 5.99 - Original price $ 5.99
    Original price
    $ 5.99
    $ 5.99 - $ 5.99
    Current price $ 5.99

    Base Holder - Disposable CO2 Cartridge

    This listing is for one disposable CO2 cartridge BASE HOLDER only. If you are searching for CO2 cartridges, please click here. More on CO2 in ...

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    Original price $ 5.99 - Original price $ 5.99
    Original price
    $ 5.99
    $ 5.99 - $ 5.99
    Current price $ 5.99