Not as quiet as it is marketed to be.

The main reason I am giving this product a 2 star review is the noise. Aside from YouTube and other internet reviews Seachem's own website markets this as one of the quietest hang on the back filters. I did an extensive amount of research before buying this filter. From what I found out it can be noisy if it is not level or the water is not high enough. I made sure both of these requirements were met and it was still very noisy. It had a loud grinding sound. My intent was to replace an Aquaclear 50 that was too noisy but this filter was significantly louder then my Aquaclear. Considering some people swear this is the quietest HOB filter available and others have had similar experiences to me I wonder about the consistency of the construction. As for some positive things to say the filter does feel sturdy, you are not forced to keep buying filter media, the flow is adjustable, and it has a protein skimmer. I have no doubt it would do an excellent job of keeping my aquarium clean. The noise was so bad I had to return it and stick with my Aquaclear 50.

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