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Still annoyingly loud! Must be something I'm doing? What are the chances of 2 dodgy filters. Are there any tips for getting air out the system? Where can air get trapped? Could it be something I've Done with the pipes or valve?

Thanks for all the replys I got a new 406, although the shop just wanted to give me a new impeller. Its only 2 days old, so I argued and got a whole new filter. with all the extra media hoses etc. Handy to have spares. Changed it over, the new one is quieter that the old one, still not as...

Well when I'm across the room, And I do mean 10 feet away its a loud hum /buzz, when i get up close its def a mechanical sound, like grinding. The unit is vibrating quite a lot. I think the impeller is out of balance or something. My issue now is, I have to shut down my tanks only filter, and...

Hey Jim, Thanks for your reply, i didn't think to check the blades, but it would make sense. I will take a look. Spoke to swallow aquatics, they are going to exchange it for me tomorrow. I will let you know how the next one is. Cheers

Hi Everyone, First Post ever on the site, been reading for ages, thought it might be time to join in. Anyway my issue, I bought a new Fluval 406 Canister yesterday, which is being advertised as "Whisper Quiet" That says to me that I should not be able to hear it outside of the cabinet, or...