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Fluval Biological Aquarium Cleaner reduces unsafe organic matter (fish waste, decaying leaves, uneaten food, etc.) that regularly gather on filters, gravel, ornaments and other surfaces.

Designed for use with the Fluval C2 Power Filter, the C2 Bio-Screen Pad provides an ideal biological surface area for beneficial bacteria to colonize upon.

Designed for use with the Fluval C3 Power Filter, the C3 Bio-Screen Pad provides an ideal biological surface area for beneficial bacteria to colonize upon.

Designed for use with the Fluval C4 Power Filter, the C4 Bio-Screen Pad provides an ideal biological surface area for beneficial bacteria to colonize upon.

Designed for use with the Fluval C4 Power Filter, the C4 Bio-Screen Pad provides an ideal biological surface area for beneficial bacteria to colonize upon.

Fluval Biological Aquarium Cleaner reduces unsafe organic matter (fish waste, decaying leaves, uneaten food, etc.) that regularly gather on filters, gravel, ornaments and other surfaces.

Immediately establishes safe biological aquarium environment Powerful responsive ammonia and nitrite elimination Prevents fish loss Allows immediate introduction of fish For fresh and saltwater use

Designed for use with the Fluval C2 and C3 Power Filters, C-Nodes feature a complex pore system that allows beneficial bacterial to thrive.

Biological filter media Star-shaped design provide greater filtration surface area and biological filtering ability than most other media

Two stage mechanical filtration – Porous side captures large particles (Stage 1), while dense polyester side traps finer debris (Stage 2) Helps create clean and healthy water conditions...

Two stage mechanical filtration – Porous side captures large particles (Stage 1), while dense polyester side traps finer debris (Stage 2) Helps create clean and healthy water conditions...

Fluval Water Conditioner makes tap water safe by neutralizing chlorine, chloramine and undesirable metals, which are toxic to fish. Formulated with pure herbal extracts, it also reduces fish...