Fluval Bio-Foam for FX4 / FX5 / FX6 Canister Filter 3-Pack
Fluval Bio-Foam is a dual-purpose mechanical and biological filter media designed specifically for Fluval FX-series canister filters. The dense foam structure efficiently traps debris and waste while providing an ideal surface area for beneficial nitrifying bacteria to colonize.
This 3-pack is perfect for routine maintenance of FX4, FX5, and FX6 filters, helping maintain strong water flow, excellent clarity, and stable biological filtration. Bio-Foam is reusable, durable, and safe for both freshwater and saltwater aquariums.
Key Features & Benefits
Mechanical + biological filtration in one media
Traps debris while supporting beneficial bacteria
Designed for Fluval FX-series canisters
Helps maintain water clarity & flow
Reusable & long-lasting
Safe for freshwater & marine aquariums
Compatible Filters
- Fluval FX4
- Fluval FX5
- Fluval FX6
Ideal For
- Routine FX canister maintenance
- Heavily stocked aquariums
- African cichlid & predator tanks
- Large community aquariums
- Freshwater & saltwater systems
Usage & Care Instructions
- Rinse gently with dechlorinated aquarium water before first use
- Place in designated foam trays of FX canister
- During maintenance, rinse only in tank water
- Replace only when foam begins to break down
🧫 Never rinse Bio-Foam under tap waterthis preserves beneficial bacteria.
Product Details
- Brand: Fluval
- Product Name: Bio-Foam
- Pack Size: 3-Pack
- Media Type: Mechanical & Biological
- Compatibility: FX4 / FX5 / FX6
- Aquarium Type: Freshwater & Saltwater
FAQs Fluval Bio-Foam FX Media
Q: Is Bio-Foam biological or mechanical media?
A: Both. It traps debris and provides surface area for beneficial bacteria.
Q: How often should Bio-Foam be replaced?
A: Only when the foam physically degradesotherwise, rinse and reuse.
Q: Can this be used with BIO-FX media?
A: Yes. Bio-Foam handles mechanical/biological filtration, while BIO-FX boosts biological capacity.
Q: Is this reef-safe?
A: Yes. Its safe for marine and reef systems.
Q: Should I replace all foam at once?
A: No. Replace gradually to avoid disrupting biological filtration.
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