The Fluval Edge Pre Filter Sponge is a great way to add extra filtration to your aquarium, especially if it is new or hasn’t completely cycled. The Pre Filter Sponge conveniently slides over the water suction intake on the filter. This optional filter is very beneficial as it prevents debris such as food or fish waste from being sucked into the filter. Not only does it filter out debris, but it also houses beneficial bacteria for added biological filtration for your aquarium. This added biological filtration will help you keep low ammonia levels and also help in eliminating harmful chemicals that can kill your fish. A great optional filter for any Fluval Edge aquarium.
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