Aquarium Accessories Biochemical Cotton Filter Practical Fish Tank Pond Foam Sponge Filter Black Multiple Size 15 25 35 50PPI

Type : FishFunctions : Culture nitrifying bacteria and maintain water qualityFunctions 1 : Cultivate the nitrifying bacteria for biological filtration.Functions 2 : Break down manure and leftover forageFunctions 3 : Material is thick and durableFunctions 4 : Suitable for use in fresh water and seawaterFunctions 5 : Can cut any size as neededFunctions 6 : Excellent water permeabilityFunctions 7 : It can be reused after cleaningNote: The biochemical cotton will be vacuum packed and compressed when it is packaged and shipped. If you find that the biochemical cotton is small, deformed or not thick enough after receiving the goods, put the biochemical cotton flat for 1-2 days, the biochemical cotton will be Restore to the original state, vacuum compression will not have any effect on the filtration performance of the biochemical cotton, please rest assured to use it after the biochemical cotton is restored to its original state.DescriptionThe 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 durableVery suitable for using in freshwater and marine water.Can be cut any sizes as your needed.Lightweight & softness design.Excellent water permeability.Cultivate the nitrifying bacteria for biological filtration.Dense shape makes it effective to avoid residue.Can be used again after cleaning100% brand new & unusedColor: black.Advise: Replace the bio-sponge three month, to ensure the filtrating effect as well as the growth of the nitrifying bacteria.Note: There may be an error of 0~2cm in manual cutting，Those who mind should buy with caution.Package include:1x filter biochemical cotton