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Hydor Koralia Evolution submersible powerheads are a popular choice becauxe they are affordable and reliable high flow powerheads. Higher efficiency Hydor Koralia Evolution pumps generate up to 20% more water flow than Koralia 2-3-4 at HALF the energy consumption. Upgraded, shaft-less impeller boasts unique design for wide and gentle water flow beneficial to aquarium inhabitants. Patented magnetic base with articulating ball joint allows full, 360-degree range of convenient pump positions. Direct vital water movement to areas of your aquarium never possible with conventional powerheads.
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.
2 cracked in the same spot, electrifying my tank By Danny on 5/11/2017Danny wouldn't recommend this product to a friendI had 2 of these in my tank for just barely over two years. They both cracked in the exact same spot--where the label is on top right where the power cord comes into the devices. I noticed this when I got a nice shock sticking my arm in the tank. This is without a doubt a faulty design if both cracked exactly the same way. I'd expect to get more than 2 years out of a $50 power head that I cleaned every 3-4 months. I will never buy these dangerous poorly designed things again.
Quiet consistant quality time and again. By Goldwing Coral on 11/26/2016Goldwing Coral would recommend this product to a friendI've used many of these pumps over the past 10 years and while I've owed others none have worked as long. Great balance of function/cost.