Tropica CO2 System Bio Refill
How to use the product
The content of this package CO2 System Bio Refill provides additional 60 days of CO2 for aquariums.
Product Specifications
| Feature | Detail |
|---|---|
| Duration of CO2 Supply | 60 days |
| Product Type | CO2 Refill for Tropica System |
FAQ
How long does one refill last in a typical aquarium setup?
One refill provides 60 days of CO2 supply under standard aquarium conditions.
Is this refill compatible with all Tropica CO2 systems?
Yes, this refill is specifically designed for Tropica CO2 systems.
Can I use this refill with other brands of aquarium equipment?
Please contact customer service

Adam Slater –
The refill worked perfectly with my Tropica CO2 system. I noticed consistent bubble output and stable water chemistry after installation. It lasted exactly as advertised, providing 60 days of reliable CO2 supply without any leaks or issues.
Edward Butler –
I used this refill in my 120-liter tank. It maintained good plant growth and kept the water pH stable. The refill fits securely into the system and is easy to replace.
Frank James –
Great product. The CO2 flow was steady, and my aquarium plants grew well. It arrived on time and was packaged securely. No problems during use or installation.