Aquarium Biochemical Filter Sponge

The quiet workhorse of a healthy tank. This thick filter sponge traps debris and hosts colonies of beneficial bacteria that break down waste, polishing your water and protecting your fish between cleans.

• Thick, high-surface-area foam
• Mechanical + biological filtration
• Grows beneficial bacteria
• Trim to fit most filters
• Rinse & reuse

Ships from European warehouses. Free EU delivery over €50 (otherwise €4.95). Most orders arrive in 2–5 business days, always tracked.

Not the one? Return any item within 14 days for a full refund, plus our 30-day happy-pet guarantee.