I agree with nuno gomes. I own two of the 2180 and they are silent and dependable. The flow is adequate as long as you do not fill it to the brim with flow killing media.
Cheers,
Hello,
Sorry for camming back, I just received my 2180 and install it yesterday. The flow is really good.
About the noise, the other (my old) eheim 2275 was more silent, or maybe is just because I have some air inside filter?
In this installation I have new media (eheim mec and mec pro), I will order "matrix" or "neo" soon, one basket is new media the other have the used media.
Maybe this is the cause of air inside, and this air cause the humming? I can feel some vibrations coming from the head of the filter.
I have big hoses to avoid tension, and a pad bellow the filter, the cabinet is made of iron/steel, covered with PVC (with magnetic tape).
How do you remove the air in new filters?
Or usually how long till all air disappear inside for new filters?
Different question, about the fine pad for filtration, do you have it on the top of all trays, has eheim suggest? I don't like that, I prefer to have it on the top of the first tray. The other Two trays is just biological media.
Thanks