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 Dual Stage CO2 Regulator
    Ultum Nature Systems
    Pro Dual Stage CO2 Regulator
    $219.99 $219.99

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

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

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

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

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

  7. Manifold Block for PRO-Elite Series CO2 Regulator
    CO2Art
    Manifold Block for PRO-Elite Series CO2 Regulator
    $49.99 $49.99

  8. CO2 Regulator 7077.3
    Tunze
    CO2 Regulator 7077.3
    $149.99 $149.99

  9. CO2 Tank - 5 lbs.
    Bulk Reef Supply
    CO2 Tank - 5 lbs.
    $93.99 $93.99

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

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

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

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

  14. Neo CO2 Refill
    AQUARIO
    Neo CO2 Refill
    $19.99 $19.99

  15. Bio-CO2 Pro Refill Pack
    Fluval
    Bio-CO2 Pro Refill Pack
    $12.99 $12.99

  16. Fluval CO2 Indicator Set
    Fluval
    Fluval CO2 Indicator Set
    $17.99 $17.99

  17. CO2 Drop Checker Kit
    CO2Art
    CO2 Drop Checker Kit
    $18.99 $18.99

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

  19. Pro-Series Precision CO2 Check Valve
    CO2Art
    Pro-Series Precision CO2 Check Valve
    $12.99 $12.99