Fluval Replacement Carbon 3-Pack
Replacement Carbon provides effective chemical filtration, removing heavy metals, odors, discolorations and pollutants from aquarium water.
Compatible With
- Fluval SPEC 2.6 G (10 L) (Item# 10517, 10515)
- Fluval SPEC 5 G (19 L) (Item# 10516, 10518)
- Fluval EVO 5 G (19 L) (Item# 10528)
- Fluval EVO 13.5 G (52 L) (Item# 10531)
- Fluval FLEX 9 G (34 L) (Item# 15004)
- Fluval FLEX 15 G (57 L) (Item# 15006/15007)
Key Features
- Specifically designed for Fluval Spec, Evo, and Flex desktop aquarium series
- Premium, research-grade carbon with vast surface area for effectively absorbing impurities
- Helps create crystal clear, sparkling aquarium water
- Convenient 3-pack format for easy replacement and maintenance
| Product Type | Quantity | Compatible Models |
|---|---|---|
| Replacement Carbon | 3 units | Spec 2.6 G, Spec 5 G, EVO 5 G, EVO 13.5 G, FLEX 9 G, FLEX 15 G |
FAQ
How often should I replace the carbon filter media?
Replacement frequency depends on usage and water conditions, typically every 4 to 6 weeks for regular maintenance. Monitor water clarity and odor for signs of saturation.
Can this carbon be used in saltwater aquariums?
Please contact customer service
Is the carbon safe for fish and plants?
Yes, the carbon is specifically formulated for freshwater aquariums and is safe for fish and aquatic plants when used as directed.

Maria Vaughan –
The carbon significantly improved water clarity in my Fluval Spec 5 G tank. After two weeks, the water looked much cleaner with fewer odors. Easy to install and the 3-pack makes it convenient for regular maintenance.
Alexandra Underwood –
Works well with my EVO 5 G setup. I noticed a reduction in ammonia smell and the water became clearer over time. I plan to use it every 4 weeks as recommended.
Michelle Grant –
Great value for the 3-pack. Installed it in my FLEX 9 G and saw noticeable improvement in water quality within a week. No issues with compatibility or performance.
Sophie Hodges –
The carbon fits perfectly in my aquarium filter. It’s been a few months now and the water still looks clean. I appreciate the premium quality and consistent performance.