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#1
11-09-2009, 05:59 AM
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So far all I've used are two small koralia 1's for some additional flow in my frag tank but I have been quite happy with them. I do need to clean them once a week as their design seems to collect algae very well but I dont think many people have that problem.
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour 
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#4
11-26-2009, 03:04 AM
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Just another question about Koralia 4's, with 1/2" glass will the magnets hold OK, I thought I read something about the magnets being a bit weak but I can't find anything about it when I search now.
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120 gallon sps/anemones/LPS reef since 2004 Apex controller 8 x 54 watt T5 PowerModule Herbie's silent overflow system Jebao DC 12000 return pump Jecod CP-40 Cross-flow circulation device Mini Bubble King 180 Barr Aquatics calcium reactor Bucket fuge
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#6
11-26-2009, 03:14 AM
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I have some SunSun brand 1300gph powerheads coming when I researched them tons of reviews state they have better mag's then Koralia. Ordered 6 - 1300/gph for $150 INCLUDING SHIPPING.That again is just my 2 cents.
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Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build
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#7
11-26-2009, 04:28 AM
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I have two Sunsun's in my 115 cube. They are AWESOME. Two solid thumbs up on these guys.
Neal, of course everything depends on different things like tank size and shape, but for the most part, it's difficult to overdo flow. Ryan, there is one possible detriment to the Maxijet Sureflows .. at least I found this. The impeller shafts last only about 6 months or so, and then they corrode through. For $20 it's a not a huge deal to go out and buy another but I stopped buying them - I want my powerheads to last longer than that and I'm not sure what baddies are getting into the tank when things rust. It's obviously not a high grade stainless steel or titanium, whatever that shaft is made of. I've gone through at least 5 or 6 of them and they all met the same fate sooner or later (the corroded shaft).
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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#8
11-26-2009, 04:35 AM
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The #4's should be fine, but if you can afford it, look at the Vortech MP40W. I have run Koralia's exclusively since the beginning, but finally tried the Vortech about a month ago now... All I can say is this unit far surpasses any of my Koralia's for flow and of course you have the ability to change things up with it. the programming in the Vortech lifted hidden filth from behind rocks and crevaces... I can say it works great!
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 Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite) Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO) Type of Aquarium: mixed reef (SPS & LPS) with fish Dosing: Mg, Ca, Alk
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