Found this great video that explains the variety of aquarium filters that an aquarium can have. It explains the difference between a biological filter, mechanical filter , chemical filter, corner filer or hangon filters and many other types.
All About Aquariums And Fish
Found this great video that explains the variety of aquarium filters that an aquarium can have. It explains the difference between a biological filter, mechanical filter , chemical filter, corner filer or hangon filters and many other types.