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#1
10-27-2008, 07:58 AM
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hey
Well I have a 90g with two Koralia 3 (850 GPH) powerheads in my tanks, plus my rio pump from the sump. And I’m happy with the flow I’m getting (I just up graded them too)
- now keep in mind I don’t have any SPS corals and those guys love crazy flow so I guess it depends on what you plan to keep in it. Either way more it better I would say  
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#2
10-27-2008, 08:22 AM
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I would go with at least a pair of Koralia 4's.
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#3
10-27-2008, 01:27 PM
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Koralias don't belong in a 90, IMO. I had one in mine for a couple of weeks, sold it at less than half what I paid.
I currently run two Tunze 6060s, and that still, again IMO, is not enough. This is with 600gph from the return. I have a few LPS and they barely move in the tank, so for sure this isn't enough for my SPS. And I only have frags now. Once they grow up, I'll have to upgrade the flow. Go to a LFS that has some of these Korallias running and put your hand a foot in front of it....nothing! I know they're appealing from a cost standpoint, but you'll regret it down the road. As with everything else in this hobby, spend the right money upfront, then you don't have to respend it in 6 months (or two weeks in my case)
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Brad
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#4
10-27-2008, 01:36 PM
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I have a pair of 4,s on one end and a Tunze 6080 on the other end. I like the Hydor,s for the lesser flow & additional flow, when needed but could not run my 90 on them alone. My 6080 can over power the both of them. Perhaps four of the 1200gph models.
The maxi-jet with the mod kit can produce some good flow also. I believe I also read a thread somewhere, in regards to using the maxi-jet mod kit on the Hydor pumps. Plus Hydor also makes a larger model now, do they not?
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Doug Last edited by Doug; 10-27-2008 at 01:40 PM.
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#6
10-27-2008, 02:52 PM
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I used to just run to Korlia 4's in my 90 but found it was never enough so I added a Vortech.
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- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2
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#7
10-27-2008, 03:09 PM
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I did not mind the Koralia's, I just found their flow more direct. Now with the controllable Tunze's (6055), I find it is way better, plus with the controller you can really tweak it to how you like.
I would say two #4's would work great in a 90 if thats the route you are looking at.
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60 Gallon rimless, internal Herbie overflow, ATI Powermodule, Eheim 1250, 2X Tunze 6055, Tunze ATO, Euroreef RS100, Profilux controller, TLF Reactor.
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