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Old 08-25-2010, 04:21 PM   #1
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What if a Protien Skimmer is "too small"?

This has been on my mind for a bit...

I'm using an old (but still cranking) Euro Reef CS5-2 skimmer with a Sedra 3500 pump. It says it's rated for 75 gal. Well, this was ok when I had a 60 gal, but I now have a 140 with that 60 as a sump.

I was going to upgrade and saw the ASM G2 which says 200 gal, but uses the same Sedra 3500 that I have. The ASM G2 is 4 inches taller, and about 1.5 inches thicker in diameter, which I'm sure affects the contact time the bubbles have with the water.

I know my skimmer produces nice green liquid that I collect into a gallon water bottle. But what I'm not sure is if I really need to upgrade it or not. I have a fowlr (may do corals later once I get rid of this problem I have for the moment...).

What do you think... keep or replace?

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Old 08-25-2010, 04:42 PM   #2
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I would do the mesh mod if you haven't already. It will boost your skimmers output. you might just look at upgrading the pump on it as well, throwing a sedra 5000 on there would probably boost it quite a bit.

Sedra KSP 5000 Needle Wheel Water Pump - AquaCave
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If your pulling out lots of skimmate and your levels are fine, I wouldn't worry about it. Skimmer size is more in relation to bio-load then tank size.
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