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Old 11-01-2013, 10:36 AM   #1
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Jebao wp40 power head

I am building a 75gal tank with 40gal sump. I was wondering how many of these power heads I would need. I was thinking 2 one for wave making and one for just straight power head. Please help. I wanna purchase today!
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Old 11-01-2013, 11:09 AM   #2
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at least three. you would need two on each side and one in the center of the back of the glass. the one in the center of the wall doesn't have to be a wp40, something less potent is OK such that there's a current everywhere
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Old 11-01-2013, 11:15 AM   #3
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Originally Posted by huizheng1988 View Post
at least three. you would need two on each side and one in the center of the back of the glass. the one in the center of the wall doesn't have to be a wp40, something less potent is OK such that there's a current everywhere
I was thinking one was almost enough gph for a 75gal reef. 75x50. So buy one to keep on wave mode which will move water all around and then one more to keep as a straight flow power head to hit the dead area.... I'm I just not understanding this?
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Old 11-01-2013, 11:33 AM   #4
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One wp 40 should be more than enough for a 75 with your return output .
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Old 11-01-2013, 11:40 AM   #5
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One wp 40 should be more than enough for a 75 with your return output .
So we just went from three of them to one pump.? With one head wouldn't I still have dead spots or will the wave action take care of that?
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Old 11-01-2013, 12:08 PM   #6
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One wp40 will push water over 5 feet . Imo start with one and see how it does. I really don't think you will need another .
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Old 11-01-2013, 12:10 PM   #7
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Will the wave motion keep me from having dead areas?
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Old 11-01-2013, 12:35 PM   #8
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personal experience is telling me you will have dead spots with just 1 powerhead. i was wrong about the specs of the wp40. but my three powerheads recommendation still stands. yes, in terms of turnover ratio, one wp40 is enough, but that's considering the tank very narrow and long. 50inches in my opinion is nowhere narrow by any standard. if you check out Mr. Saltwater tank on Youtube, you would see the setup he has for his 300+gal tank. 3 of his powerheads are more than sufficient to cover the tank if you look at the spec, but he used 6, i believe, to cover all angles. what i meant to say before is that you can probably get 2 wp40 but run it at the low-medium range, so that you're not blowing water off the tank. but you WILL need more than 1 to cover a tank that size.
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Old 11-03-2013, 12:22 AM   #9
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instead of one WP40, get two WP25.
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Old 11-03-2013, 08:29 PM   #10
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Quote:
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instead of one WP40, get two WP25.
Agre3...
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