Hydor Koralia Circulation and Wave Pump 1600 l/h

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KORALIA NANO 1600l/h specifically for planted aquariums to improve water distribution.

For tanks of 100L-180L

In planted tanks CO2 is rarely distributed correctly and as a result algae grows. Similarly with nutrient distribution water tends to move in only one direction from the filter - this simply isn't enough in a high tech tank. The addition of a Koralia solves this issue.


  • Very small - only 6cm
  • Sphere joint - adjustable flow direction
  • Magnetic suction cup support
  • Controllable - can be connected to a timer
We regularly hear hobbyists who suffer from algae in their planted aquariums and don't realise the importance of a pump like the Koralia. As soon as it's placed in your aquarium it begins to work immediately. Moving CO2 around your tank is paramount to success and avoiding dead spots is equally important.

This product is small and unobtrusive and will blend is easily to your aquarium.

Once you've used one you'll never look back. A must for any planted aquarium.

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by Christopher D. on 13/3/2019

Excellent product just what was needed in my planted aquarium speedy delivery and brilliant service thanx

by Eric P. on 20/2/2019

Just purchased a second pump for the other end of the tank (as I hinted in previous review). Absolutely delighted with both of them. The water is moving well, no algae issues whatsoever and so quiet I have to keep checking to make sure they are still working.

by Eric P. on 3/2/2019

Nice and compact. Moves a serious amount of water for such a small pump. Considering buying another one for the other end of the tank.

by clive b. on 13/12/2018

Pump as described reasonable quiet but lead needs to be about 6 inches longer

by Ian S. on 19/8/2018

To look at the pump is very small. It has a magnetic fixing to the side of the tank. It gives a gentle swaying movement effect to the plants, as it circulates the water. I’m very pleased with it.

by Louise G. on 13/2/2018

I have given it 4 stars would have given it 5 if the power lead was longer but overall realy happy with it

Ask a question about this product
could you please tell me how long the cable is on this model as my last HYDOR cable was to short for me. kind regards mark


Hi Mark

The cable is 1.4m in length

Hi, I have 140L freshwater aquarium, tell me pls what better Hydor Koralia Nano 1600 Circulation and Wave Pump or Newave Circulation Pump 1.6 Thanks, Lana


Neither is better - in fact they're all very similar

Thanks for the answer, is this Pamp (Neither) must working all the time or only day/night time?


Keep them on all the time

I have a 200 liter/170 after accounting for decor-substrate, planted tank. Would this model be the best option for me or should I go with the more powerful wave maker which is rated 2200 l/h? The difference in cost is negligible . I have a Maxijet 900MP powerhead which I bought when I had large fish (15cm plus) that enjoyed a good current, however I now keep small species ,and I don't want my fish blown all over the tank. Thanks, Lou


In that case go for this model - it will be ideal for your tank

Hi, I have a140L planted aquarium with various shrimp. Do you think this pump is safe with young shrimp. Thanks, Andy


Probably yes

Morning. I have a 160l tank, at the moment sparsely planted at either end. Is there a specific place to site the pump or is it a case of trial and error? I have a filter at one end at the rear and the heater roughly in the middle of the tank at the rear. Thanks for any advise. Eric.


position it in the same direction as filter outlet

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