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Old 10-25-2010, 10:48 AM   #1 (permalink)
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Thumbs up Hydor Koralia 4 :: REVIEW

I've been using these power heads since I setup my new 180G tank 3 years ago. These things are just workhorses. They provide great flow and very low power consumption. At 1200 GPH they provide some serious water flow in my tank and having 6 in total makes for some interesting flow patterns that make my softies sway back and forth.

The original 6 pumps I've purchased are still in service as of this writing and only some were recently cleaned because the openings were completely covered in coralline algae and even some coral growths greatly decreasing their output (the algae and corals basically choked the pump).

I've written a short DIY Tutorial here on how to easily clean most pumps and other aquarium equipment.

You can also see the amount of coralline growth these pumps had on them.

In the 3 years I've had them they've been working non stop without a hitch. One or two might have stopped after a power outage but a nudge with a finger on the impeller would start them right up.

I would recommend these efficient power heads to anybody starting up in the hobby as well as to advanced aquarists on a budget. With newer even more efficient models on the market there is a size for every tanks size out there.

Old models wore designations from nano to 1 through 4, the new series are called Evolution & Magnum. For much larger tanks (125G+), there are magnum 5,6,7 and 8 series, with the latest providing flow of up to 3200 GPH!!!. Now that is some serious current for your reef tank. For those needed the ultra high sophistication of a controllable output there are 12V controllable units that can be paired with a Hydor wave maker. These are more expensive so you have to weigh-in both pros and cons.

Hope this helps.
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hydor koralia reviews, koralia 4 review, koralia nano, koralia power head

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