They are useful as a breeding filter or as a secondary filter in the aquarium. These sponge filters can also be used as pre filter to an external filter inlet pipe. Aerobic bacteria colonise the sponge providing a bacterial surface to facilitate the nitrogen cycle.
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Mini Aquarium Sponge Filter Fish Tank Shrimp Pond Air Pump Biochemical Sponge Filter Aquarium Filtration Filter BioSponge Filter
Aliexpress UK
Corner Fish Tank Aquarium Sponge Filter Bio Foam Breeding. They are useful as a breeding filter or as a secondary filter in the aquarium. These sponge filters can also be used as pre filter to an external filter inlet pipe.
eBay
Mini Aquarium Sponge Filter Fish Tank Shrimp Pond Air Pump Biochemical Sponge Filter Aquarium Filtration Filter BioSponge Filter
Aliexpress UK
The XY-2010 filter is excellent for smaller aquariums with size fish like dwarf cichlid, guppy, killifish, shrimp etc., or for hatcheries, maternity, nano tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter.
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Fish Tank Sponge Filter Aquarium Silence Filter Bucket 220V 6W Energy Saving External Water Pump Filter Barrel EW602B EW603B
Aliexpress UK
These filters are ideal for breeding / fry tanks, and are very popular among cichlid / discus keepers. You are purchasing a high quality air driven sponge filter suitable for all aquarium types. Hidom Tauchpumpe Aquarium Interne Pumpe Und Filter für Aquarium 100L - 350L.
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Aquarium Biochemical Sponge Filter with Filter Balls Fish Tank Air Pump Skimmer Sponge Filter Aquarium Accessories
Aliexpress UK
The sponge is resistant to deformation, decomposition, and dissolution, maintaining its filtration efficiency and longevity. Reusable: This Sponge is easy to clean and maintain. Item type : Aquarium Filter Bio Sponge.
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Filter Foam Sponges,Aquarium Sponge Filter Media Foam Pad Sheet for for Aquarium Fish Tank Pond Sump Divider Filter Media Pad
Aliexpress UK
Suitable for small and large fish planted tanks,shrimp and breeding tanks etc. Work Without An Air Pump, Ultra quiet and more efficient than other sponge filter. Air intake adjustable to creat large amount of fine bubbles benefits both of the fish and plants.
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Fish Tank Filter Foam Sponge,Aquarium Sponge Filter Media Foam Pad Sheet Filtration Foam Aquarium Biochemical Filter Sponge Pad
Aliexpress UK
The internal sponge bio filter is excellent for smaller aquariums (Up to 120L in size) with size fish like dwarf cichlid, guppy, killifish, shrimp etc., or for hatcheries, maternity, nano tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter.
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SUNSUN Silent Filter Bucket 220V 6W 400L/H Aquarium External Filter Barrel Fish Tank Sponge Filter Cartridge EW602B EW603B
Aliexpress UK
The sponge is resistant to deformation, decomposition, and dissolution, maintaining its filtration efficiency and longevity. Reusable: This Sponge is easy to clean and maintain. Item type : Aquarium Filter Bio Sponge.
eBay
XY-2890 Aquarium Sponge Filter Corner Filter Breeding Shrimp Nano Fish Tank Water
Aliexpress UK