Noisy canister filter?

[PaezCichlids]

Hey guys! I'm new to this forum how are you all doing? I started a 180 gallon 5 days ago and I love it! So I have 2 Aquatop CF-500 UV and they are pretty noisy... Could it be because I have matrix bio on the top and it floats? Anybody have experience with this filter? Please help! Thanks!


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[PaezCichlids]

http://youtu.be/Fu70JMhsyWQ

This is a vid of my tank and the issue of the canister filters


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