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Thread: super silent air pump?

  1. #21
    Regular zvirus's Avatar
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    Hi All,

    Must say that Hailea v20 surprised me very much. Small and quiet(not really cheap), unfortunately the bubbles which coming up in 11 tanks are very loud. But as said pump itself is 1st class!. You can buy a model like 9620 which is cheap and You can not expect too much. Different story why they call it super silent. Ive got another pump from the same line like 9620 and its LOUD... so use it as a spare pump.

    Same story as usual to get good product You must spend more and not necessary buy a pump made in Germany (no offence)...

    So my next pump would be Hailea v20 or bigger version from this line
    Last edited by zvirus; 10th Nov 2011 at 04:47 AM. Reason: More info
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    Cheers,
    Tomas

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    Hi Mod imke_j,

    I was think about this. Will it be okay if you had placed your "noisy" air pump in a styrofoam box lined with sponges or some other materials to buffer the sound? You will need a couple of holes in the foam box.

    Just a wacky idea.

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    Senior Bedfordshire's Avatar
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    I bought 3 Eheim 400's and they are super!!!

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    Thanks for your suggestion, Noobisme. That would be a temporary solution only, as it needs more space

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    Oh my, now I realised the thread was from almost a year ago.

  6. #26
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    Looks like Eheim wins the debate.....

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    Greetings,

    I'm running the cycle on 4 tanks, each with sponge filters and UGF, witch are in my living room. Additionally, I have an 50 litres tank (also with sponge filter and UGF) by it's side.
    So I needed some nice and silent air pumps.


    I've bought two eheim 400 for the 4 tanks, so I will have 200 litres for each tank (theoretically...)
    I'm using another eheim 400 for the 50 litres tank.

    The pumps are ok but, of course, I still can hear them.
    Trying to reduce the noise, I've made a box with cork on the inside. It works nice, as it reduces the noise, but it cannot eliminate all the noise as the box must have a hole on one of the sides, for the air tubes and the power supply chord.



    If nothing else, making this boxes help getting by the time needed for the tanks to cycle.

    I would recommend this pumps...

  8. #28
    Member QC Discus's Avatar
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    In my experience to go totally silent just use a small power head .
    Use it on an under-gravel filter or a sponge filter.
    As was stated oxygen is transferred in and CO2 out thru contact with the surface atmosphere and Not thru the bubbles them self.
    The more surface area you have of the more water flow that is in contact with the surface the more oxygen your water will contain.
    Just my 2 cents worth .

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