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Old 01-21-2009, 07:17 PM   #1
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Oily Substance

I just started using mysis shrimp yesterday & I noticed an oily substance filming on the top of the water. Is this from the shrimp, if not, what could it be?
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Old 01-21-2009, 08:26 PM   #2
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It`s a protein sheen. A protein skimmer will help. Also a PH pointed slightly to the surface will help. I never have a problem because I have 2 overflows that the water travels down to my refugium.
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Old 01-22-2009, 01:03 PM   #3
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I agree with Mike.
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Old 01-24-2009, 02:59 AM   #4
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2 words, protein skimmer
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Old 01-24-2009, 02:52 PM   #5
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I agree with Melosu and other than being considered aesthetically unpleasing to the eye, it won't negatively impact your aquarium. I'd go the powerhead route for surface agitation before spending a lot of money on a skimmer that you may not need .
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