Mp40's

E

Emisis

New member
So I stepped up to the plate and purchased a pair of Mp40's for my aquarium. (Thanks Dave @ Aquapros) Ive never seen them in person, only in videos and such. Flow wise.... well holy smokes to say the least!! Options..endless causing confusion with the livestock. Noise...well...interesting....the "whirring" I can understand, I have a vibration in one of the 2 that no matter how I "slightly" adjust it just doesn't go away. For those who have these is it possible to get this to go away? or do I keep moving it until it is "better"? Do they just need "break in" time?

I have them currently set up on Reef crest/ anti sync @40% max speed. I did play with all the settings including the wave functions but the sound they make reminds me of an old washing machine chugging back and forth.

TIA,

Emisis
 
I was able to adjust mine to get the rattling sound to go away. I found it easiest to adjust by putting it on "green" and cranking it up to 100%.
 
Make sure you have it on the correct spacing for tank thickness. When I first purchased I figured I would just put it for the thickest glass to make it stick more. Well, the dry size/wet side are designed to be a certain distance apart, so its actually quieter if you use the correct spacing for the tank thickness. Learned this trial and error with my 2 MP40s. :p

There should be a slight hum, but you shouldnt hear it rattle/vibrate
When you were adjusting it, did you put it on Green (linear flow) 90-100% and adjust until it was silent? If you had it on 10% when you were adjusting positions, you are almost guaranteed to have a ton of vibration when it ramps up.
Sometimes you have to do this more than once. I have had it where it was silent at 90%, but when I turned it down, everything else rattled. I did it all over again and it didnt rattle anymore.

Mine are only audible once they reach 70-80% (run on 80% reef crest), at 40% you should not be hearing a vibration.

There is a break in time. Some say its only 1-2 days to a week. Mine were quiet from the start (did take 15-20min of adjusting to get them perfect though).

I would continue to try adjusting it.
 
EricTheRed said:
I was able to adjust mine to get the rattling sound to go away. I found it easiest to adjust by putting it on "green" and cranking it up to 100%.
Click to expand...

Agreed, constant mode, 100% power is the best way to do initial line-up. Get it as best you can and give it about a week. Brand new ones have a tendency to be a little tight still and need to wear in a little bit. Should be fine in a week or so. If not, Ecotech customer support is excellent and they will take care of you.
 
Well after reading the full instruction manual.......you folks are correct 100% and adjust. HOLY MONSOON!!!! I adjusted 1 so far and have to let things settle down until tomorrow for the other. Thanks for the input
 
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