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Filtration in a Malawi setup


Rouseabout

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Hey there Chris

I think David R said it best a while ago. Porous material like ceramic noodle or sintered glass lose their effectiveness when they get covered with mulm.

To ensure the best results with them try placing them in the final basket. Stage the mech filtration going from your most coarse foam ie 10ppi or 20ppi and then your filter wool and then your ceramic noodles.

The big stuff gets taken out by appropriate material. The little bits of detritus are dealt with by your filter wool and the water that ends up in your biological stage is as clean as possible.

This also means you have an extended cleaning period.

Cheers

Greg

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