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

Shipped fully tracked across the EU. Free delivery over €50 (otherwise €4.95). Most orders arrive within 7–15 business days.

Changed your mind? See our Refund Policy for how returns work.