Black Bio Sponge

Black Bio Sponge – 500x500x40mm | 35PPI (High Density)

Enhance your aquarium or pond filtration system with this Black Bio Sponge, designed for superior biological and mechanical filtration. Measuring 500x500x40mm, this high-density 35PPI (pores per inch) sponge offers an excellent surface area for beneficial bacteria to grow, supporting clean and healthy water conditions.

• 35PPI Fine Texture – Perfect for trapping fine debris and promoting effective biological filtration.

• Large Cut-to-Size Sheet (500x500x40mm) – Easily trimmed to fit aquarium canister filters, sumps, or pond filter boxes and DIY filtration systems.

• Safe for Aquariums & Ponds – Non-toxic and long-lasting material suitable for use in freshwater, marine, and pond environments.

Whether you're maintaining a planted tank, filtering a koi pond, or building a custom filter, this versatile and durable bio sponge is a reliable choice for boosting water clarity and quality.