225-300 GPH Powerhead for 15gal?

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fishmonkey

Aquarium Advice Addict
Joined
Dec 30, 2008
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Phoenix, Arizona
I am looking for a powerhead, and then realized that I have no idea how powerful it should be. so I remembered that there was a thread in the "Getting Started- Saltwater" section of the forums about all the things you need for a saltwater tank. so i looked at what it said about powerheads and it said this (copied and pasted):

"The use of a power head to move your water is necessary with a SW tank and a tank turn over of 15-20 times for FO/FOWLR/REEF is good since all benefit from good current. I would get at least two. Point them upwards and at each other to create a slight ripple on the surface for good oxygen exchange and convulsing currents. If the PH doesn't come with a pre-filter/screen then consider adding a sponge to keep fish/inverts/sand from getting sucked into it."

What I want to know is if for my 15 gallon tank, a 225-300 gph powerhead would be good, based upon what is said above. thanks for the help
 
I like lots of flow so I would aim for 20x-30x turnover for a reef. My 20g high has 55x turnover. As the article stated, it is better to get 2 than 1 to create a better, more chaotic flow.
 
ok then thanks for the info. ill use that when i get my powerhead. thanks.
so I guess I am going to get two powerheads of 300-450 gph.
 
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