50x50x2cm Large Hole Fishing Tank Filter Cotton Aquarium Biochemical Cotton Cultivation Filter Material

This item is a large hole fishing tank filter cotton designed for aquariums. It functions to improve water quality through biochemical filtration.

• Product type: Filters & Accessories
• Compatibility: aquarium
• Material: cotton
• Key feature: biochemical filtration
• Color/Variant: 50x50x2cm
• Intended use: water quality improvement
• Suitable for seawater, freshwater, aquascape, size can be freely cut
• Dense pore gap and softness suitable for cultivating nitrifying bacteria
• Decomposes excrement and feed residue, improves water quality, filtration and cleaning effect, reduces fish mortality
• Wash once a month with water, no blockage, no deformation, reusable after cleaning
• Thickened material, strong water permeability, thorough filtration