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Old 02-04-2008, 02:14 PM   #1
Emmanuel
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Join Date: Jan 2005
Posts: 108
Default surface skimmer and eheim double taps

may i know what is the use of surface skimmer ? is it suppose to "suck" the layer of oil on top of the water surface ? if so, how come my tank still got 1 layer of oil film.

and btw, what is the use of eheim double tap. until now, i still blur blur. plug it in but never seems useful in any way.
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