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FLUVAL BIO CO₂ 250L – Natural Fermentation-Based CO₂ System for Large Planted Aquariums up to 250 Liters
Fluval BIO CO₂ 250L is an eco-friendly, low-pressure CO₂ generation system designed to provide consistent, plant-safe CO₂ through a natural fermentation process. Built for aquariums up to 250 liters, this system supports robust plant growth, enhances photosynthesis, and maintains a balanced aquatic environment—without the need for pressurized cylinders.
Operating at a maximum pressure of just 1.3 bar, the BIO CO₂ system is exceptionally safe. Using renewable ingredients such as yeast and sugar (not included), the system generates CO₂ continuously for approximately 30 days per refill. Its stainless steel reaction chamber and precision components ensure reliable long-term performance.
Included in the system are a precision bubble counter, nano bubble diffuser with ceramic disc, check valve, gas-barrier tubing, pressure release safety valve, and the fermentation chamber. Installation and monthly recharging are quick and simple, making it suitable for both beginners and experienced aquarists.
Main features:
Suitable for aquariums up to 250 liters
Provides consistent biological CO₂ for 30 days
Natural fermentation with eco-friendly ingredients
Safe low-pressure operation (max 1.3 bar)
Complete system with diffuser, safety valve, and bubble counter
Stainless steel reaction chamber with silicone seal
CO₂-resistant tubing prevents gas leakage
Simple 10-minute monthly maintenance
Why choose Fluval BIO CO₂ 250L:
Fluval BIO CO₂ 250L is the perfect solution for large planted tanks needing a reliable, sustainable CO₂ supply. Its efficient design supports healthy plant growth while being environmentally responsible and easy to maintain.
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