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Discussie in '☋ Dumaguete City ☋' gestart door reedee, 29 aug 2010.

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  1. RALPHHOGAN

    RALPHHOGAN DI Member

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    I few months ago I did a lot of reading on this subject. It is generally unnecessary to add anything to a properly designed multi chamber system. However, certain waste products are not broken down by the microbes and sink to the bottom. This sludge needs to be cleaned out every few years.
     
    RALPHHOGAN, 1 sep 2010
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