Aquarium Biochemical Sponge

A must-have tool for aquarium hobbyists.

Features:

• 100% brand new & unused.
• The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover.
• Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria.
• The material has great thickness, it is durable.
• Very suitable for use in freshwater and marine water.
• Can be cut in any size as you needed.
• Lightweight & soft design.
• Excellent water permeability.
• Cultivate the nitrifying bacteria for biological filtration.
• The dense shape makes it effective to avoid residue.
• Can be used again after cleaning.

Specifications: