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The 3 inch sand bed includes the depth of the undergravel filter. Should I remove the undergravel filters and/or add more sand?

April 26, 2017bed depth filter filters inch includes remove Sand undergravel

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The 3 inch sand bed includes the depth of the undergravel filter. Should I remove the undergravel filters and/or add more sand?

1 Answer

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I was looking into bioball media until reading your FAQ. Thanks by the way, that’s saved me a bundle! I also read something about the sand bed needing to be replaced periodically, something I’ve never done.