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

This is a medium hole fishing tank filter cotton designed for aquariums. It is used for water filtration and cultivating nitrifying bacteria.

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