It is basically just a big fluidized bed filter. Nitrate production is high with those, so I'd say it would not be the best choice for any application other than a swimming pool. For water ponds, the similar bead filters are preferred now as they are better suited.
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I retired and got a fixed income but it's broke.
Ed
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50 gallon FOWLR, 10 gallon sump.
130 gallon reef, 20 gallon sump, 10 gallon refugium.
10 gallon quarantine.
60 gallon winter tank for pond fish.
300 gallon pond with waterfall.
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