Hydor Koralia #4 Powerhead?
I have two in my Oceanic 90 gallon.
Do you think its overkill or should I go smaller?
You've got the same as me (90 gallon tank, two K4's). I like them. I don't think it's overkill, I mean as long as you can avoid a sandstorm by positioning/aiming them properly, there's nothing wrong with having a lot of flow (in fact, I think it's a good thing).
I'm going to upgrade my powerheads soon, but when I do I'm simply going to get a pair of controllable low-voltage K4's with the Koralia wavemaker. I've had my current K4's for about a year now, and they've been great.
I've been considering the K4's for my new 180. What benefit do you see from the K4's that you were not getting from a traditional low cost powerhead?
Though Koralias aren't the only brand that provides this, the thing I like about them is the high flow rate, as well as wide angle (not a super-strong stream coming out as a beam from the powerhead). The K4's only consume ~8-10 W, and provides 1200 gph of flow from a single powerhead. Compare that to the Maxijet 1200, for example, which consumes 20W and only gives off 295 gph. Lower power consumption == less heat added to the tank, and of course the much higher flow rate is great for good circulation.
Other powerheads that are similar to the Koralia (probably better, but similar in the high & wide angle flow rate), are the Tunze and Vortec, but I think they are much more expensive.
The Koralias seem to be a good combo of high flow rate, low consumption, and cheap cost. Keep in mind, the standard Koralias aren't designed to be used with wavemakers. Koralia now offers low-voltage controllable powerheads, almost the same price I think, when can be used with Koralia wavemakers.
pasfur what are the dementions going to be on that 180?
i know a K4 only mod that cost $15 each power head but in return practically doubles its flow rate. its as simple as buying a maxijet mod kit and only using the impeller, its flow is amazing.
the question i have for the original poster is what the plans are for this build as well as future plans. FOWLR or reef? i personally would go with 4s but if its a reef i would def. go with 4s atleast. i have a 4 in my 46 bowfront, along with a 2 and mag 9.5 return pump. major flow dude.
I'm getting the sandstorm kinks worked out, but glad to read the positive responses towards the powerheads....
We want to build a reef....
I'm thorn between Hydor Koralia pumps and Tunze Nanostreams... Their Price point is very different though. Are Tunze Pumps so much better than Koralias??
Which pumps should I get for a 140g tank?
I don't know the answer, but I thought I'd toss my hat in and say I'm also very curious about this as well. What do the Tunze powerheads give you that Koralias don't? The price is so much higher, but I can't tell from just reading product literature what justifies the higher price. Then again, people keep buying them, and Tunze would be out of business if their product didn't have any advantages over Koralia's :)
tunzes can be hooked to a controller. from what i hear it is reffered to as "better quality" i do not have experience using this equiptment as i have only used hydors. the price is very different and you would also have to buy the controller. IMO/IME hydors have been working just fine for me.
I would hope thats not the only benefit though... Hydor also has a line of low-voltage K1-K4 powerheads now that are designed to be run from a controller as well, and they are still ~$60 for a controllable K4. Like the Tunze's you'd have to buy the Hydor wavemaker to use them, but with the powerheads being that inexpensive (relatively speaking), you'd still come out ahead going with a set of controllable Koralias and a Hydor wavemaker than a Tunze system.
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