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CO2 Injection

Elevate your freshwater aquarium's plant growth with a CO2 system. From reliable regulators to efficient diffusers, our selection of products provides essential tools for maintaining optimal CO2 levels and fostering a lush, thriving aquatic plant environment.
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72 Items

  1. Pro-Elite Series Dual Stage CO2 Regulator
    CO2Art
    Pro-Elite Series Dual Stage CO2 Regulator
    $224.09 $269.99

  2. Neo CO2 DIY CO2 Kit
    AQUARIO
    Neo CO2 DIY CO2 Kit
    $24.89 $29.99

  3. ISTA Disposable CO2 Cartridge (45g)
    ISTA
    ISTA Disposable CO2 Cartridge (45g)
    $9.87 $11.89

  4. CO2 Diffuser
    Twinstar
    CO2 Diffuser
    From: $9.99

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  5. Pro CO2 Manifold Block
    Ultum Nature Systems
    Pro CO2 Manifold Block
    $34.99 $34.99

  6. Pro Mini Dual Stage CO2 Regulator
    Ultum Nature Systems
    Pro Mini Dual Stage CO2 Regulator
    $157.99 $157.99

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

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

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  9. PRO-SE Series Dual Stage CO2 Regulator
    CO2Art
    PRO-SE Series Dual Stage CO2 Regulator
    $124.49 $149.99

  10. CO2 Regulator 7077.3
    3 Reviews
    Tunze
    CO2 Regulator 7077.3
    $129.99 $129.99

  11. CO2 Tank - 5 lbs.
    8 Reviews
    Bulk Reef Supply
    CO2 Tank - 5 lbs.
    $78.01 $93.99

  12. Bio-CO2 Pro (up to 33 gallons)
    Fluval
    Bio-CO2 Pro (up to 33 gallons)
    $116.19 $139.99

  13. Bio-CO2 Pro (up to 66 gallons)
    Fluval
    Bio-CO2 Pro (up to 66 gallons)
    $145.24 $174.99

  14. Bio-CO2 Pro (up to 132 gallons)
    Fluval
    Bio-CO2 Pro (up to 132 gallons)
    $290.49 $349.99

  15. CO2 Starter Set
    ISTA
    CO2 Starter Set
    $11.45 $13.79

  16. 1L CO2 Supply Set
    ISTA
    1L CO2 Supply Set
    $215.79 $259.99

  17. Aluminum CO2 Cylinder (1.5 lbs)
    ISTA
    Aluminum CO2 Cylinder (1.5 lbs)
    $99.59 $119.99

  18. Max Mix CO2 Reactor
    ISTA
    Max Mix CO2 Reactor
    $17.59 $21.19

  19. Neo CO2 Refill
    AQUARIO
    Neo CO2 Refill
    $16.59 $19.99

  20. Extended CO2 Diffuser
    AQUARIO
    Extended CO2 Diffuser
    From: $13.27

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  21. Original CO2 Diffuser
    AQUARIO
    Original CO2 Diffuser
    From: $10.78

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  22. Bio-CO2 Pro Refill Pack
    Fluval
    Bio-CO2 Pro Refill Pack
    $10.78 $12.99

  23. Fluval CO2 Indicator Set
    Fluval
    Fluval CO2 Indicator Set
    $14.93 $17.99

  24. CarbonDoser Electronic CO2 Regulator V2.0
    3 Reviews
    CarbonDoser
    CarbonDoser Electronic CO2 Regulator V2.0
    $439.99 $439.99

  25. Aquarium CO2 Drop Checker Solution (15ml)
    CO2Art
    Aquarium CO2 Drop Checker Solution (15ml)
    $6.63 $7.99

  26. CarbonDoser Precision Check Valve
    CarbonDoser
    CarbonDoser Precision Check Valve
    $29.99 $29.99

  27. In-Tank Flux CO2 Diffuser
    CO2Art
    In-Tank Flux CO2 Diffuser
    From: $24.06

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  28. Stainless Steel U-Bend Tubing Connector
    CO2Art
    Stainless Steel U-Bend Tubing Connector
    From: $8.29

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  29. Silver CO2 Resistant Polyurethane Tubing
    CO2Art
    Silver CO2 Resistant Polyurethane Tubing
    From: $5.80

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  30. Green CO2 Resistant Polyurethane Tubing
    CO2Art
    Green CO2 Resistant Polyurethane Tubing
    From: $5.80

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  31. Blue CO2 Resistant Polyurethane Tubing
    CO2Art
    Blue CO2 Resistant Polyurethane Tubing
    From: $5.80

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  32. Pro-Series CO2 Adapter
    CO2Art
    Pro-Series CO2 Adapter
    From: $24.06

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  33. Neo P Clips
    AQUARIO
    Neo P Clips
    From: $9.99

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  34. Neo U Clips
    AQUARIO
    Neo U Clips
    From: $6.99

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  35. Glass U Tube for Airline Tubing
    Seachem
    Glass U Tube for Airline Tubing
    From: $6.31

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  36. Replacement Ceramic Membrane for CO2Art Inline Diffuser
    CO2Art
    Replacement Ceramic Membrane for CO2Art Inline Diffuser
    From: $14.10

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  37. Suction Cups for 4/6mm Tubing (8 Pack)
    CO2Art
    Suction Cups for 4/6mm Tubing (8 Pack)
    $5.80 $6.99

  38. IO Diffuser Replacement Ceramic Membrane
    CO2Art
    IO Diffuser Replacement Ceramic Membrane
    From: $11.61

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  39. CO2Art 12V DC Power Adapter Replacement
    CO2Art
    CO2Art 12V DC Power Adapter Replacement
    $20.74 $24.99

  40. Pro-Series 12V DC Solenoid Coil Replacement
    CO2Art
    Pro-Series 12V DC Solenoid Coil Replacement
    $13.27 $15.99