The Planted Tank Forum - View Single Post - Low tech filtration upgrade?
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Old 01-22-2013, 03:43 PM   #2
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If you are not injecting co2 you do not need to worry about water movement. I use petco power heads (they hum a bit)and Fluval prefilter sponges in my 10g low tech tanks. Total cost is about 20 dollars. But I don’t keep very many fish in those tanks, and I do large (50%) water changes once a week.
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