Quote:
Originally Posted by cloak
The GPH on those Koralia pumps are notoriously inaccurate IMO. I use a Koralia 1 to mix water in a 5 gallon bucket and the water hardly moves. I can't imagine using that in a 10 gallon tank as my only circulation pump. I can see the scum on top of the water now. You might want to consider either upgrading or adding another powerhead.
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I agree that they are a little low, but I use a Koralia 240 to mix my salt water in a 5 gallon bucket and it works great. I have a Evolution 750 and a nano 425 in my 40B DT right now and it moves the water quite well. I have an extra 750 and might replace the 425 with the 750, but i don't think I would have to.
Anyway, a 425 would be fine alone in a 10g. I think 2 nano 240s would work "better" just because you could get a little more of a random flow.
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40B in recovery mode
Trumpet coral, Kenya tree, unknown Zoa
Skunk Cleaner, 2 Ocellaris Clowns, Royal Gramma
Current Tank Info: 40B w 29 sump. 50 lbs rock
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