New sump very loud, need opinions.

[Pshmock]

Just built this 20g sump for my 75g tank. The thing works great, I have no complaints about the performance. It must turn the tank over 7-8 times in an hour, maybe more. my rainbows don't mind the flowing current in the tank. The only complaint I have is that it is just too damn loud. I have a 1200gph pond pump and it sounds like a washing machine and is causing so much vibration. I don't want to have to go out and buy a whole new pump, so I need ideas on how to just make it quiet, since its in my room.

 

[sam8fish]

raise the pump with some zip ties to suspend it in the water to dampen the noise, you could also use a durso standpipe and raise the level in your overflow so the water isn't falling as far, if you have already done that take a ball valve over the return and find a flow that the pump runs best at. you could also try to raise the water level in your sump. if none of this works move to a smaller pump 1200gph pump is slightly oversized for your aquarium.

 

[Pshmock]

yeah I will give that a try. I knew it was too oversize but i got it brand new at a thrift shop for $10 which was a deal I just couldn't pass up haha. I put a T leading back into the sump in order to divert the water flow into the tank, so it's probably only doing 500-600 GPH. the water and overflow is not too loud it's just the vibrations from the pump which is annoying.

 

[dayak]

put some kinda damper like sponge or foam under the pump and raise the water level a bit to help dampening the noise.

 

[discuskent]

let the water run in a sock it will help the noise and keep micro bubbles down

 

[TheRealCramer]

put some kinda damper like sponge or foam under the pump and raise the water level a bit to help dampening the noise.

+1

I have some old fluval foam strips under mine and a soft sponge under the power cord where it hands over the side of the sump. That part actually made just as much noise.


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[sam8fish]

yeah I will give that a try. I knew it was too oversize but i got it brand new at a thrift shop for $10 which was a deal I just couldn't pass up haha. I put a T leading back into the sump in order to divert the water flow into the tank, so it's probably only doing 500-600 GPH. the water and overflow is not too loud it's just the vibrations from the pump which is annoying.

if u need a 600 gph pump i got one sitting in my garage doing nothing, trade ya for the 1200.

 

[Pshmock]

if u need a 600 gph pump i got one sitting in my garage doing nothing, trade ya for the 1200.

No thanks. I managed to reduce the sound by a ton by putting one of those industrial yellow construction sponges underneath the pump. It works like a charm and I can barely hear anything now. The pump flow was not the problem it was the vibrations and noise. I can manipulate the flow to as low as I want.


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[TheRealCramer]

You can flow more with less noise by putting some open cell foam In the intake too. Just check it for clogging often


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