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Moving Bed Filters


Driftwood
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I've been looking at those and wondering if you really need to use those brand name media. Any small item that moved freely would work, would it not? Like plastic straws cut into little rings, or... anything, really.

Edited by hkbialik
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  • 2 months later...

I use purigen as a moving sand bed filter in my sump.

Got plastic screen at 250 micron hole size, cut it larger than the sump and used silicone to secure it in place. Used two pieces of PVC pipe to hold it up. Added three by pass ports in case the mesh blocks up.

Used rigid air line and poked holes in it to make a bubbler.

When it needs recharged I just siphon the loose purigen into a "nut milk bag" and soak it in bleach etc.

The picture is kind of crappy.

post-5957-0-45233800-1430417186_thumb.jpeg

Edited by cullymoto
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  • 4 weeks later...

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