yellows Posted July 16, 2019 Share Posted July 16, 2019 Which one of these designs would work the best for a 3Ft sump for a 4 x 2 x 2 Quote Link to comment Share on other sites More sharing options...
Link2Hell Posted July 18, 2019 Share Posted July 18, 2019 they will all work but I like pic one best will you be using a spreader plate or spray bar first chamber is good with media choice but I would use egg crate under the dacron mat as it is a pain to pry it apart from the jap matting when the fibres catch don't particularly like Scoria and there appears to be a large amount of bacteria media with the jap mat, sponges, baki rods and coral rubble. I would use that area for a bag of Macropure chamber walls single or double is basically your preference but single is easier if you are cleaning it height of chamber wall is critical as if the volume above it is smaller than the volume of the in tank drain point you can have a flood with a power outage when it back flushes so calculate volumes 1 Quote Link to comment Share on other sites More sharing options...
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