Thread: Question about Hydor Flo
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  #3  
Old 11/17/2005, 11:02 AM
reefin300 reefin300 is offline
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Join Date: Apr 2005
Location: SoCal
Posts: 312
yes they do work within a certain flow range. I find that hydors restrict the gph amount of flow that your power head is rated for which I guess would be the compromise.