Oily Tank Surface - The Planted Tank Forum
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post #1 of 5 (permalink) Old 06-21-2007, 05:03 AM Thread Starter
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Oily Tank Surface

Hello everyone, I got a 70 gallon with a rena xp2 filter and 265 watt canopy. The tank has been setup for nearly 2 years now, and for as long as I have know, there has been either a white haze or an oily haze on the surface of the tank. Not sure if the white haze is the same as the oily haze, but I have tried to suck it all out. I get most of it but by the next day it's all back. Fish seem to be ok with it. Does anyone know where it comes from??
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post #2 of 5 (permalink) Old 06-21-2007, 05:08 AM
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SCum, its Oil, could be from dead plants or fish food, and not enough surface movement, i heard Mollies take care of them, but never tried since i have all shrimps tank

One month in.
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post #3 of 5 (permalink) Old 06-21-2007, 06:11 AM
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just make more surface agitation and it'll clear right up. move the spraybar higher or lower the water level if you have a HOB, though if you have a hob it shouldn't be that big of a problem. a powerhead or even a large air wand should help.
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post #4 of 5 (permalink) Old 06-21-2007, 06:32 AM
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Some call it called undisolved protiens (from decayed plants). Third option is a surface skimmer (Hagen aka Fluval) and they are about $12.00 at Big Al. http://www.bigalsonline.com/BigAlsUS...surfaceskimmer One way I've heard of hooking them up without using your filter's intake is to a small powerhead directly back into the middle of the tank. Its more gear in the tank, but at least this way it doesn't mess with the filter's intakes, which can require some fiddling with to get the flow right. One of this run for 10 minutes a night will keep the top of the tank perfectly clear.

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post #5 of 5 (permalink) Old 06-21-2007, 07:28 PM Thread Starter
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thanks for your help. I will try the power head deal since I think I got a power head for a 20 gallon lying around
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