The Planted Tank Forum - View Single Post - What's the best HOB for a nano?
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post #19 of (permalink) Old 04-03-2013, 03:06 PM
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somewhatshocked's Avatar
Join Date: Aug 2011
Location: Louisville, KY
Posts: 12,167
This isn't an argument. Merely pointing out the pros/cons.

Originally Posted by bankruptjojo View Post
Is the flow from the 20 smaller then the 30? Yes... His concern was flow not adding purgen. Im going to make a broad statement, most people Dont use purgen.

Switching the impeller is a neat idea but why... He doesn't have a spare impeller laying around. If you have to buy the filter who wants to buy a new impeller also?

I have a 20 & 30 and there is no noise diff in mine. My ac110 is the loudest...

flow seems to be his biggest concern. So I recommend the ac20. It is good to note that you need a ac30 if u want purgen.
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