Bio-CO2 Pro Low-Pressure System
The Bio-CO2 Pro system combines the safety of biological carbon dioxide production with the convenience of pressurized delivery. Offering simplicity and unparalleled performance in an easy-to-use format, Bio-CO2 delivers reliable and controllable CO2 through the naturally occurring fermentation process. With safe, low-pressure operation, it is the most secure, simple, and environmentally-friendly aquarium CO2 delivery system available.
Key Features
- Easy-to-use CO2 delivery system allows both new and experienced hobbyists to effortlessly grow and maintain vibrant live aquatic plants
- Safe low-pressure operation – 1.3 bar / 19 psi max. vs. traditional high-pressurized systems (55-80 bar / 800-1100 psi)
- Provides up to 30 days of reliable CO2 supply
| Capacity | Up to 66 US Gallons / 250 Liters |
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FAQ
What is the maximum pressure output of the Bio-CO2 Pro system?
The maximum pressure output is 1.3 bar (19 psi).
How long does the CO2 supply last with the Bio-CO2 Pro system?
The system provides up to 30 days of reliable CO2 supply.
Is the Bio-CO2 Pro system safe for beginners?
Yes, the system is designed with safe low-pressure operation and is suitable for both new and experienced aquarium hobbyists.




Isaac Butler –
I’ve been using the Bio-CO2 Pro for two months now and it’s made a huge difference in my planted tank. The plants are growing steadily without any pressure issues. Easy to set up and the low-pressure design feels much safer than older systems I tried before.
Jonathan Hodges –
The system works well with my freshwater tank. I didn’t have to adjust anything after setup. The CO2 flow is steady and the plants are thriving. It’s a simple solution that fits my beginner level.
Tracey Cameron –
I was worried about high pressure risks, but this system is much safer. The fermentation process is quiet and reliable. I’ve seen noticeable growth in my stem plants and macrophytes over the past month.