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  • Home
  • CO2 & Plant Care
  • CO2 Injection
  • CO2 Cylinders

CO2 Cylinders

Designed for consistent, long-term use, CO2 cylinders provide essential carbon dioxide needed for lush, healthy plant growth. Available in various sizes to suit tanks of all capacities, our CO2 cylinders help maintain stable CO2 levels, maximizing photosynthesis and promoting vibrant aquatic plants.
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16 Items

  1. CO2 Tank - 5 lbs.
    Rating:
    93%
    8 Reviews
    Bulk Reef Supply
    CO2 Tank - 5 lbs.
    $93.99 $93.99

  2. CO2 Cylinder Pro - 2.5 lbs
    Ultum Nature Systems
    CO2 Cylinder Pro - 2.5 lbs
    $84.99 $84.99

  3. CO2 Paintball Cylinder
    Ultum Nature Systems
    CO2 Paintball Cylinder
    From: $49.99

    Choose Options Notify Me When In-Stock
  4. Bio-CO2 Pro Refill Pack
    Fluval
    Bio-CO2 Pro Refill Pack
    $11.04 $12.99

  5. Bio-CO2 Pro (up to 33 gallons)
    Fluval
    Bio-CO2 Pro (up to 33 gallons)
    $118.99 $139.99

  6. Bio-CO2 Pro (up to 66 gallons)
    Fluval
    Bio-CO2 Pro (up to 66 gallons)
    $148.74 $174.99

  7. Bio-CO2 Pro (up to 132 gallons)
    Fluval
    Bio-CO2 Pro (up to 132 gallons)
    $297.49 $349.99

  8. CO2 Starter Set
    ISTA
    CO2 Starter Set
    $13.79 $13.79

  9. Aluminum CO2 Cylinder (1.5 lbs)
    ISTA
    Aluminum CO2 Cylinder (1.5 lbs)
    $119.99 $119.99

  10. 1L CO2 Supply Set
    ISTA
    1L CO2 Supply Set
    $259.99 $259.99

  11. ISTA 1.5lbs CO2 Cylinder Base
    ISTA
    ISTA 1.5lbs CO2 Cylinder Base
    $8.69 $8.69

  12. Neo CO2 DIY CO2 Kit
    AQUARIO
    Neo CO2 DIY CO2 Kit
    $29.99 $29.99

  13. Neo CO2 Refill
    AQUARIO
    Neo CO2 Refill
    $19.99 $19.99

  14. Max Mix CO2 Reactor
    ISTA
    Max Mix CO2 Reactor
    $21.19 $21.19

  15. Water Plant CO2 Tablets (100 count)
    ISTA
    Water Plant CO2 Tablets (100 count)
    $12.79 $12.79

  16. CO2 Supply Set w/ 45g Cartridge
    ISTA
    CO2 Supply Set w/ 45g Cartridge
    $39.99 $39.99

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    9am - 4pm CT Friday
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