Co2 systems in your aquarium, will help produce stronger plants and will boost plants rate of growth. 

20 lb aluminum CO2 cylinder 

• Capacity: Holds 20 pounds of liquid CO2.
• Certification: Certified for use Canada (T.C.).
• Pressure: Has a service pressure of 1800 PSI.
• Material: Made from high-quality 6061-T6 brushed aluminum, ensuring durability.
• Valve: Equipped with a new brass CGA 320 CO2 valve approved by the Compressed Gas Association (CGA).
• Transport: includes a durable carry handle for easier transportation.
• Dimensions: Approximately 8" in diameter and 28″ in height (with valve).

Bring your own bottle and as long as it is Aluminum and good condition, we will provide a straight swap for a full cylinder with the appropriate and suitable certifications.