Koralia Nano Powerhead (425 GPH) - Hydor

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Koralia Nano Powerhead (425 GPH) - Hydor

100% Recommend this to a friend (1 of 1)

SKU: 202149
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Quick Overview

Great affordable powerhead for smaller tanks. Super compact design without comprising efficiency and adjustable flow direction.

Koralia Nano 425 – best suits a marine tank from 15-30 gallons.


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Full Details

High flow is very important to maintaining a thriving healthy aquarium. Aquariums with poor flow can experience a number of easily avoidable health issues. Using high flow powerheads in your aquarium will:


    • Significantly decrease the risk of algae outbreaks.
    • Keep waste and particles suspended longer so skimmers and filters have a better chance of removing them.
    • Prevent toxic pockets from forming in hard to reach areas.
    • Keep debris from collecting on corals.
    • Keep food suspended longer so you can add less food.
    • Increase the chances of long term healthy tank success.


Quick Compare - Hydor Koralia Nano



Nano 240

16-28 gallons

10-15 gallons

240 GPH

3.5 Watts

2" x 3-3/4"

Nano 425

28-50 gallons

15-30 gallons

425 GPH

3.5 Watts

2" x 3-3/4"

Nano 565

40-65 gallons

20-40 gallons

565 GPH

3.5 Watts

2" x 3-3/4"



1 Item

  • Good power head for a great price By William on 5/10/2017

    I love these small Hydor power heads, you can stick them anywhere in the tank. They do not take up a lot of space, they are super quiet, and do not make much noise when the switch on via the Hydor controller. The work great for me, I have a 4' tank and I use several of them to achieve my goals. They would be perfect for blasting your 2-part dosing lines coming into your sump to help mix the soda ash solution.