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Old 10-12-2012, 09:29 PM   #1
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Hydor Koralia Evo 750

I've recently purchased 2 of these pumps and within 3 days both of them stopped working. The first one lasted a day, and today the other has failed.
I sent the first one that failed back yesterday.

I guess my question is -I'm Not sure if I want this brand again or go with another. I can see one fail within a week, but both?

please comment your experiences on these wave makers.

thanks
Jim
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Old 10-12-2012, 09:40 PM   #2
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now you got me worried i have 2 550 s and a 750 that are sitting for my future swap out...got them for them magnets marinelands work great but suction cups suck on them there always falling off and making craters in the sand....maybe they were made on a monday thats why they failed..lol
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Old 10-12-2012, 09:42 PM   #3
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I've never had an issue with my koralia's 425's,735's or the 1050's. All in working order.

Hope you get everything sorted out.
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Old 10-12-2012, 09:54 PM   #4
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Ive had 2 koralia evolution 750s and the only problem ive had is that they sometimes reverse flow when unplugged and plugged back in (a problem Hydor has since resolved and sends free replacement parts). Other than that, they are amazing powerheads, nice gentle flow and even have wavemaker capabilities.
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Old 10-12-2012, 09:54 PM   #5
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Quote:
Originally Posted by Convict2161 View Post
I've never had an issue with my koralia's 425's,735's or the 1050's. All in working order.

Hope you get everything sorted out.
I know that you use these wave makers Con... and thanks for your reply.

Do you have them constantly running, timer, or manual plugin when you want them on?

I have been plugin them on for a few hrs, then I unplug them off as my cichlids are small/juvies.
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Old 10-12-2012, 09:58 PM   #6
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Quote:
Originally Posted by huma-huma View Post
Ive had 2 koralia evolution 750s and the only problem ive had is that they sometimes reverse flow when unplugged and plugged back in (a problem Hydor has since resolved and sends free replacement parts). Other than that, they are amazing powerheads, nice gentle flow and even have wavemaker capabilities.
Yes I read some reviews about the reverse flow. Ohh don't get me wrong... they worked wonderful when they were both on, very silent and just enough smooth flow all around my 75g tank.
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Old 10-12-2012, 10:00 PM   #7
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Yeah id just contact hydor, they have decent customer service.
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ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 10-12-2012, 10:09 PM   #8
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Quote:
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maybe they were made on a monday thats why they failed..lol
you might be right..

Quote:
Originally Posted by huma-huma View Post
Yeah id just contact hydor, they have decent customer service.
thanks.. I will do that Monday for sure.
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Old 10-12-2012, 10:18 PM   #9
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Quote:
Originally Posted by JimmyG

I know that you use these wave makers Con... and thanks for your reply.

Do you have them constantly running, timer, or manual plugin when you want them on?

I have been plugin them on for a few hrs, then I unplug them off as my cichlids are small/juvies.
I have used them every which way. I had them hooked up to a smart wave system and I've had them on 24/7

Never an issue on my end...

Sorry your going through this.
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