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					Originally Posted by hfp75  the wp10 is small in size but not the flow it can create.....
 I have a 50-55g main tank and I am planning for 2x wp10 to create my flow....   wp25 has a lot of flow potential...
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i have 2 of the wp10s in one of my frag tanks that is 29 gal and it is about right.  Can't see them being enough for a 50+ gal unless it is a softy tank.  Just my opinion.