After the seccond water change I had to remove the whole filter and clean it out. I do have a huge bio load with the snails, platties, guppies, corries and ottos. I recommend this filter to everyone!
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Give an Irishman lager for a month and he's a dead man. An Irishman's stomach is lined with copper, and the beer corrodes it. But whiskey polishes the copper and is the saving of him.-Mark Twain