Noise reduction + salt spray help please!?

Discussion in 'Pumps and Waterflow' started by Punk, 20 Aug 2008.

  1. Punk

    Punk

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    hey guys, i have 3 of the following durso's (2 x 20mm and 1 x 32mm) setup on my nano but it's terribly noisy and makes a lot of salt spray from all the bubbles :(

    [​IMG]

    do any of you geniuses have a solution for me + what do you guys do to silence your intake from your tank into your sump?

    thanks
    ant
     
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  3. WAYNE1

    WAYNE1

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    i have my pipe running directly into the water of the sump without that air inlet by your sump. then in my display tank i have completely closed my air intake, run air tube with a valve on the end into my water inlet(keep valve out water) and it works perfectly (took hours of playing around to get right).for my sump i have just cut out poly board to go around my pipes and that stops all the salt from collecting on my cabinet
     
  4. Punk

    Punk Thread Starter

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    thanks dude! i was also considering putting filter socks around the pipes going into the sump, shouldn't that also stop a lot of noise and catch the salt spray? why don't any of our local guys use filter socks, i only see them on overseas forums?
     
  5. WAYNE1

    WAYNE1

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    no prob.
    not sure, never actually looked into filter socks.
    also got that idea of using air tubing from an overseas forum, cause my actual durso setup was making a huge noise and i tried all different size air intake holes but that air tubing with the valve did the job for me:thumbup:
     
  6. Andreas

    Andreas

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    Punk you could also cut a hole in a plastic bag and push your pipe through it.All the bubbles will be caught in the plastic bag so you wont have salt spray everywhere.
    Just make small holes in the bag for the water to run through:)
     
  7. Punk

    Punk Thread Starter

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    now why didn't i think of that!? thanks dude that sounds like a plan! :thumbup:
     
  8. Andreas

    Andreas

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    cool no prob. Try and use clear plastic bags as you can see what's happning inside:p One hole about 40mm will work fine
     
  9. Warr7207

    Warr7207

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    I use a stocking on my sump inlet, stops spray and noise
     
  10. geoffrey

    geoffrey

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    i'm gonna try the stocking? Warr how did u keep the stocking over the pipe, u use a cable-tie?

    and how does one stop the trickling noise into the overflow box?....
     
  11. aslam

    aslam

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    Hi guys,sorry Punk don't mean to go off topic.The problem I have is the trickling sound of the water flowing from the display down the overflow.What can I do to stop this noise.I do know if I raise the water level in the overflow, it could stop the noise.Is there anything else I can do.Also I don't have a durso standpipe,just a ball valve controlling the waterflow from the overflow into the sump.Hope I made sense.Shot
     
  12. Warr7207

    Warr7207

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    I don't need to use a cable tie, as the pipe is big enough to hold the stocking. I am just luck I guess, I get more noise from my skimmer than my overflow :whistling:
     
  13. Andreas

    Andreas

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    Did you tie a knot at the one end of the stocking warr?
     
  14. Warr7207

    Warr7207

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    I don't need to. Check it out

    [​IMG]
     
  15. Punk

    Punk Thread Starter

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    thanks for the cool pic warr!

    i sort of did the same on mine, i tied stocking around each pipe using a cable, and tied a knot at the bottom of the stocking to close it

    it works like a charm BUT i'm really worried about detritus building up in the socks

    how regularly do you wash / put in a new stocking?

    thanks!
    ant
     
  16. Warr7207

    Warr7207

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    I have about 10 stockings ready to go. I replace once or twice a week. My pointer is my hermits in the sump, soon as I see them all over the stocking then I know there is too much shit.

    But this has made a huge difference to noise and salt spray :thumbup:
     
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