1 Pack Filter Biochemical Foam Pads Tough Sponge Pad For Fish Tank

Feature: \n 1. Thickening biochemical filter sponge, tough and durable\n2. Has the best effect on decomposing the excrement and the forage leftover, can be used in sea water tank, water tank and -plant tank\n3. Good shading features, can reduce the algae breeding\n4. Multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria, so as to cultivate high density nitrifying bacteria\n5. Can be cut any sizes as your needed, and can be used repeatedly after cleaning, extremely convenient \n\nSpecification: \nDescription:\n\n This fish tank biochemical filter sponge can be used in sea water tank and water tank. It 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, so as to cultivate high density nitrifying bacteria. Just bring it home now!\n\nFeatures:\n\n1. Thickening biochemical filt: