Fluval AquaClear 50 BioMax Insert
The Fluval AquaClear 50 BioMax Insert is a premium biological filter medium designed for the AquaClear 50 aquarium power filter. It features porous ceramic rings that support the growth of beneficial bacteria, which help convert harmful ammonia and nitrite into less toxic nitrate. This improves water quality and promotes stable, healthier conditions for fish.
Product Specifications
| Item | Quantity: 1 pack |
|---|---|
| Filter Model | AC50 |
| Material | Ceramic rings |
| Function | Biological filtration |
FAQ
How does the BioMax insert improve water quality?
The porous ceramic rings in the BioMax insert provide a large surface area for beneficial bacteria to colonize. These bacteria break down harmful ammonia and nitrite into nitrate, which helps maintain stable and healthier water conditions for fish.
Can I use the BioMax insert in both freshwater and saltwater aquariums?
Yes, the BioMax insert is suitable for both freshwater and saltwater aquariums due to its biological filtration capabilities.
Is the BioMax insert compatible with other filter models?
Please contact customer service for compatibility with other filter models.

John Bower –
The BioMax insert significantly improved my aquarium’s water stability. My fish have shown fewer signs of stress since I installed it. The ceramic rings are easy to install and hold up well after several weeks of use.
Sally Nolan –
I noticed a clear improvement in water clarity and fish health after adding the BioMax insert. It works well with my existing AquaClear 50 filter and doesn’t clog easily.
Adrian Springer –
Great product. The bacteria colonies established quickly and the filter has maintained stable ammonia levels even during heavy fish feeding.