01-05-2008, 11:56 AM
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I just got two Hydors and in my initial tests I like them better than any conventional powerhead. The output seems to spread much faster than something like the Maxijet. The output is much more of a cone shape as compared to a narrow cylinder. There is one plus the the MJ. There is an easy mod that can make any MJ into a multi-directional power head. You must use a wavemaker for it to work however. Google Maxijet mod if you want more information. BTW most people say with you primary filters plus powerhead, you should be moving the tank 20 times per hour. You individual needs may vary but thats what I have been hearing.