The specially designed filter media chamber prevents water from flowing out of the filter and into the fish tank during water changes or when the filter is removed from the aquarium e.g. in order to change the water or wash the sponge.
To facilitate the maintenance of UNIFILTER UV, we provide two separate sponge cartridges, which can be removed and cleaned in turns. In this way, colonies of nitrifying bacteria, essential for nitrogen processes, are protected.
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