Sponge Black Square — 38 × 38 cm

Coarse Bio Filter Media for Ponds & Aquariums

This high-quality coarse black sponge is ideal for both mechanical and biological filtration. Its open-pore design efficiently traps debris while providing a large surface area for beneficial bacteria, helping to maintain clean, healthy water.

Key Features

• Dimensions: 38 × 38 cm

• Filtration Type: Mechanical & biological

• Coarse Pore Structure: Improves water flow and reduces clogging

• Custom Fit: Easily cut to suit any sump, canister, or pond filter

• Durable Material: Long-lasting and easy to clean

• Applications: Perfect for pond filtration, aquarium sumps, or as a tank background

Benefits

• Traps waste particles without restricting water movement

• Supports bacterial colonisation for natural biological filtration

• Versatile — fits a wide range of filtration setups

• Washable and reusable for extended use