Upside down sand beds
Okay so I picked up the 2005 Annual Marine fish and Reef magazine and read about upside down sand beds. I've done 3 google searches and not found a single thing about them. Does anyone know where I can find more info? I'm seriously thinking I'll try it but I'd like to find more info if I can.
Doug
PS okay so water comes into the sump and goes directly to the bottom then flows through a plenum around some PVC pipes and then works it's way to the far end of the sump where another PVC pipe allows the water to come back to the surface of the sand. Supposedly the water that's flowing through the underside will slowly creep up and do the same thing a nitrate reactor will do but it should also help dissolve more of the sand bed media and eventually replace calcium reactors etc. So far they haven't gotten them to be that effective but that's the long term goal. I guess ARM in the sand bed would help.... So... anyone?
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