Fluval BIO CO2 500L
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.
- 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 production through a naturally occurring fermentation process involving sustainable raw materials (sugar and yeast)
- Recharging convenience – no refilling high-pressure cylinders
- Quick 4-step process requires less than 10 minutes per month to maintain
- High-quality stainless steel reaction chamber with 100% silicone gasket prevents CO2 escape
- Adjustable bubble counter with precision regulator and nano bubble diffuser for accurate CO2 delivery
- Low-voltage (12V) solenoid valve for optional overnight shut-off. Pair with a timer for automatic functionality (sold separately)
- Sure-Lock clamping cover offers secure closure with quick release
- Pressure release valve for additional security and peace of mind
- Starter Bio-CO2 Activator yeast and Booster tablets included – Refill Packs sold separately (#A8457)
- System is compatible with CO2 level tests (sold separately)
- Developed in German
- For best results, add tap water with a temperature of 80 – 85 °F / 27 – 30 °C.
Recommended room temperature should be between 68 – 72 °F / 20 – 22 °C.
What’s Included
- Stainless-Steel Reaction Chamber
- Sure-Lock clamping cover
- Adjustable bubble counter with precision regulator
- 12V Solenoid Valve with power supply
- Nano Bubble Diffuser
- Pressure Release Valve
- Inline Check Valve
- Gasket x 2
- Airline with gas barrier (5 ft / 1.5 m)
- Activator packet x 2
- Booster packet x 2
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Christopher K. Verified Customer 
05-21-25
Nick Verified Customer 05-20-25
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