Aquario CO2 Diffuser - Normal Original Large

This CO2 diffuser dissolves carbon dioxide into a fine mist of bubbles which allows for better dissolution in your water column. This CO2 diffuser is available in 3 different sizes.

Notes:

• Soak the diffuser in water for 30 minutes before using to produce finer bubbles.
• Diameter: 23mm
• Recommended tank size: 30+ gallons