Bulk Reef Supply Saltwater Logo
Bulk Reef Supply Freshwater Logo

FREE Shipping Over $49

| Earn Reward Points
Menu
My Cart
Close

Quick Links

Menu
Buy Now, Pay Later with as low as 0% APR with Affirm, for qualified buyers Buy Now, Pay Later with as low as 0% APR with Affirm, for qualified buyers

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.
HelloReef GloFish Aquarium Kit
Loading...
Set Descending Direction

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. CO2 Diffuser
    Twinstar
    CO2 Diffuser
    From: $9.99

    Choose Options Notify Me When In-Stock
  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

    Choose Options Notify Me When In-Stock
  9. Manifold Block for PRO-Elite Series CO2 Regulator
    CO2Art
    Manifold Block for PRO-Elite Series CO2 Regulator
    $49.99 $49.99

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

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

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

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

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

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

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

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

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

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

  20. Extended CO2 Diffuser
    AQUARIO
    Extended CO2 Diffuser
    From: $15.99

    Choose Options Notify Me When In-Stock
  21. Original CO2 Diffuser
    AQUARIO
    Original CO2 Diffuser
    From: $12.99

    Choose Options Notify Me When In-Stock
  22. Fluval CO2 Indicator Set
    Fluval
    Fluval CO2 Indicator Set
    $17.99 $17.99

  23. CarbonDoser Electronic CO2 Regulator V2.0
    3 Reviews
    CarbonDoser
    CarbonDoser Electronic CO2 Regulator V2.0
    $449.99 $449.99

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

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

  26. IO In-Tank CO2 Diffuser - Acrylic Series
    CO2Art
    IO In-Tank CO2 Diffuser - Acrylic Series
    From: $19.99

    Choose Options Notify Me When In-Stock
  27. In-Tank Flux CO2 Diffuser
    CO2Art
    In-Tank Flux CO2 Diffuser
    From: $28.99

    Choose Options Notify Me When In-Stock
  28. Inline CO2 Diffuser
    CO2Art
    Inline CO2 Diffuser
    From: $39.99

    Choose Options Notify Me When In-Stock
  29. Stainless Steel U-Bend Tubing Connector
    CO2Art
    Stainless Steel U-Bend Tubing Connector
    From: $9.99

    Choose Options Notify Me When In-Stock
  30. Clear CO2 Resistant Polyurethane Tubing
    CO2Art
    Clear CO2 Resistant Polyurethane Tubing
    From: $6.99

    Choose Options Notify Me When In-Stock
  31. Black CO2 Resistant Polyurethane Tubing
    CO2Art
    Black CO2 Resistant Polyurethane Tubing
    From: $6.99

    Choose Options Notify Me When In-Stock
  32. Silver CO2 Resistant Polyurethane Tubing
    CO2Art
    Silver CO2 Resistant Polyurethane Tubing
    From: $6.99

    Choose Options Notify Me When In-Stock
  33. Green CO2 Resistant Polyurethane Tubing
    CO2Art
    Green CO2 Resistant Polyurethane Tubing
    From: $6.99

    Choose Options Notify Me When In-Stock
  34. Blue CO2 Resistant Polyurethane Tubing
    CO2Art
    Blue CO2 Resistant Polyurethane Tubing
    From: $6.99

    Choose Options Notify Me When In-Stock
  35. Pro-Series CO2 Adapter
    CO2Art
    Pro-Series CO2 Adapter
    From: $28.99

    Choose Options Notify Me When In-Stock
  36. Neo P Clips
    AQUARIO
    Neo P Clips
    From: $9.99

    Choose Options Notify Me When In-Stock
  37. Neo U Clips
    AQUARIO
    Neo U Clips
    From: $6.99

    Choose Options Notify Me When In-Stock
  38. Glass U Tube for Airline Tubing
    Seachem
    Glass U Tube for Airline Tubing
    From: $6.31

    Choose Options Notify Me When In-Stock
  39. Replacement Ceramic Membrane for CO2Art Inline Diffuser
    CO2Art
    Replacement Ceramic Membrane for CO2Art Inline Diffuser
    From: $16.99

    Choose Options Notify Me When In-Stock
  40. IO Diffuser Replacement Ceramic Membrane
    CO2Art
    IO Diffuser Replacement Ceramic Membrane
    From: $11.99

    Choose Options Notify Me When In-Stock