Rattling Hydor Koralia......

[lg7228]

I have been doing some research on how to fix this issue.....

I have come to the conclusion that the parts have to be pushed back snug. Also there is a good chance the rubber washer is missing.

As I have taken the koralia apart and not found this so called rubber washer, I was wondering if someone has a picture of the Koralia taken apart to show what the washer looks like and where it is supposed to go.

I am running the 1 Koralia with a wavemaker and cannot stand the rattling noise that it makes everytime the powerhead comes on.

Thank you in advance.

[dirtycontour]

Have you tried to contact Koralia? I hear they have excellent costumer service and might send you the washer for free.

[lg7228]

Does it matter that I did not purchase is from them? I got it with a package deal when I got my tank.

[debincalif]

Are you referring to the rubber washer that allows you to adjust the height of the collection cup? If you, you'll definitely want to find one.

I ran the koralia nano skimmer in my biocube and did find that it was loud and a little "rattly". I'm currently running skimmerless.

[SushiGirl]

I think he's talking about powerheads, not skimmers. I could be wrong.

Make sure the magnet on the impeller isn't cracked, that's always been our issue with rattling. We had to replace them. The rubber o-ring only goes around where the blades of the impeller are, if I remember correctly. Sorry I don't have any pics.

[lg7228]

Originally Posted by debincalif

Are you referring to the rubber washer that allows you to adjust the height of the collection cup? If you, you'll definitely want to find one.

I ran the koralia nano skimmer in my biocube and did find that it was loud and a little "rattly". I'm currently running skimmerless.

I apologize, I may have needed to mention I was referring to the powerhead.

[crankbait]

The best thing about hydor pumps is that they are cheap. Toss it and get another. You can buy a new pump every year for 8 years before you pay for 1 vortech mp40. So if you cant fix it toss it dude

[lg7228]

Originally Posted by SushiGirl

I think he's talking about powerheads, not skimmers. I could be wrong.

Make sure the magnet on the impeller isn't cracked, that's always been our issue with rattling. We had to replace them. The rubber o-ring only goes around where the blades of the impeller are, if I remember correctly. Sorry I don't have any pics.

Yes I am speaking of the powerheads. The magnet is fine. I have not been able to find any rubber ring.

[Dexters Reef]

It's not really removable to my knowledge. My korali evo 1400 stopped working one day, and I took it apart and there was this rubber o ring that was left and I figured out it gets tucked inside the impeller shaft channel by the motor.

Once I put it back I haven't been able to remove it.

[SushiGirl]

Just as I hit post, my boyfriend said we need to clean them LOL. He'll be gone all week, so it won't be until next weekend when we take them apart. I could be totally wrong about a rubber ring & confusing the vision of it in my mind with the return pump, though.

One of ours, you almost couldn't see the crack in the magnet, it was hairline. After a while it got worse. Probably originally caused because we cleaned it in muriatic acid LOL. We won't be cleaning the impellers that way again!