I'm using a Vortech MP40W on my 45g tank. I think if you go with vortechs u need one for every 60g to get the most benefits. Tunze's are better for large tanks I think (200g plus or 8' and longer). The vortech doesn't have much strength 3' away from the powerhead in the water.
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Everything I put in my tank is fully dependant on me.
Last edited by kwirky; 08-11-2008 at 08:26 PM.
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