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Old 02-09-2011, 11:11 PM   #1
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How many Powerheads?

I'm thinking of starting a 29Gal saltwater tank. How many Powerheads should I use for a tank this size? And where should I locate them? It will probably be a FWLR with a sea anemone or 2.
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Old 02-09-2011, 11:11 PM   #2
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some would say use two one on each side aimed at eachother
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Old 02-09-2011, 11:20 PM   #3
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How many and what gph for a 125 gal reef?
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Old 02-09-2011, 11:25 PM   #4
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I have three in my 29, but one of them just sits low behind my LR to make sure there are no dead spots. One on a side to wrap around the LR and one pointed up towards the top for exchange.
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Old 02-09-2011, 11:39 PM   #5
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all depends on your LR set up and the size of the PH .. in my 29 right now im using 2 of the smallest koralia nanos. in my 120 i use the following. 2 koralia mag 4s facing end to end, a Koralia mag 3 facing straight forward off the back center of the tank. also have the largest ehiem classic with the spray bar bothering the surface aswell as the largest pro 2 doing the same. dual phosbans running maxijet 1400s with the outlets blowing towards the center of the tank. seems like i have fair flow everywhere in my tank and no dead spots
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Old 02-09-2011, 11:42 PM   #6
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Quote:
Originally Posted by PrettyFishies View Post
How many and what gph for a 125 gal reef?

its recommended you cycle your tank 18 times per hour with power heads, some corals and anemones needhigher flow and 30-50 times is not out of the picture for them
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Old 02-16-2011, 09:56 PM   #7
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I have 2 koralias in front and a maxi jet in back. Should I get another koralia? If so, where should I direct the flow?
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Old 02-16-2011, 11:32 PM   #8
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i have a koralia evolution 550 in my 26bow front and it does a good job, i'll prob eventually bet a second one once i get my reef fully setup

what is the gph on your two koralias
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