ken2288
        
文章: 24 來自: Basement of Hell
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于 2002-10-02 23:20 
Dear all, I was about to buy a H&S skimmer (the one for 400L) last Sunday in GBR. However, I was told by the shopkeeper that the water discharge outlet of the skimmer should be placed above the water level in order to optimize the efficiency. Is it a must for such arrangement? The water level of my sump is about 22" and there is only 8" left on top of water. I'm afraid it can't accommodate the skimmer with such arrangement. Tks.
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