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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.
cracked head By Ted on 3/27/2017Ted would recommend this product to a friendI bought 2 of these pumps. I purchased one 3 years ago and another one, 1 year ago. One of them (I don't know which one it was since they look the same) recently stopped working. I looked at it and noticed a big crack in the housing. I don't use a waver maker with it and never dropped it. I'm not sure if I'll buy another one. I was always happy with it until it stopped working.
If you like shocks, try this out By Current leakage on 9/22/2016Current leakage wouldn't recommend this product to a friendI bought 2 of these 3 years ago for my 150 gal FOWLR. They worked well for 2 1/2 years until they began having startup issues. I didn't think anything of it except that they needed maintenance. It wasn't until I installed a grounding rod that I found a problem. My GFI kept tripping and I narrowed it down to a Hydor circulator. I unplugged it and removed it and I found 2 large cracks in the housing. These were obviously allowing water into the electrical pump and causing a current leak. A few days later I removed the other Hydor and found cracks in the same place! I have suddenly lost 2 dwarf lion fish in the past 6 months who were very healthy the day before, and I can't help but think that this may have been a contributing factor. I now have some Tunze pumps, hopefully they will work out better.