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Plenum construction
I got some black and white "Indo-Pacific" aragonite live sand. This is better quality and a much finer grain than the coarse black sand I already had on hand. I was planning on mixing them, but then I thought this might be a good starting point for a jaubert type filter (they have different layers of substrate, right?).
Does anyone have some simple plans for building your own plenum? I especially am interested in instructions for converting existing undergravel filters into plenums. Can it be as easy as kitchen shears and epoxy?
What materials can I use for the dividing net and for the insulating wool? Can I get them at a hardware store?
Thanks very much.
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