Greasy residue.

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reefdiver

Aquarium Advice Addict
Joined
Nov 12, 2010
Messages
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Location
LittleRock
Hi guys. I recently did a water change and have noticed that there is a oily residue in my water. I looks like grease when you wash dishes you can see the residue on top. Any comments would be greatly appreciated. Thank you all.
 
It could be from aerosols, cooking fumes, or even your skin oil. Water agitation helps. Otherwise, mop it off the surface with a paper towel.
 
I've noticed flake foods sometimes leave a residue like that. Having an HOB to agitate the surface clears it up.

--Adeeb
 
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