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Home      Reply		Viewed: 397 -- Replies: 14
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Posted	Reducing noise levels.
27-02-2006 22:34 by Willuk	The water entering my sump is very noisy, my wife is gonna tell me to get rid soon if I dont do something!!! HELP!!!!! Basically first problem is the water entering the pipe in the tank slurps occasionally, and the second is the pipe entering the sump is on a 90degree bend with a further 12" of straight pipe which has holes drilled in it.This pipe is set into a box over the sump. The water is trickling through. I have put filter floss in to try and dull it down and it has helped a little. I was thinking of removing the 90degree bend for a straight pipe direct into the water placed beneath the water line in the sump. However I'm not sure if this is a good idea! as the water currently trickles into the sump passing through natural air, if I do what I'm thinking will this be an issue, i.e. air / gas exchange etc...
28-02-2006 04:45 by jim barry	You hit on a BIG subject !! First off is your system home built DIY or shop bought ? The pipe running from your tank to sump shuold not be perfectly horizontal and also it is quieter with flexible tubing don't use rigid. The slurping in your overflow box (if it is an internal one) is probably due to a lack of air entering your stand pipe. Plus, i don't like the sound of all those holes drilled in your drain line, you should only have one or two on your standpipe cap preferably with air line going through one of them and stretching about 6-8" down inside your standpipe. Like i said BIG subject!! Got any photos ?? Each set up is slightly different depending on flow rates, return pump used etc etc. Type 'everything you always wanted to know about sumps but were afraid to ask' and read it.(three chapters) Good luck and don't give up. Took me about four months to get to grips with my DIY system and the wife was going mad. Sorted now to a bare minimum but the trouble is you are never going to eliminate the sound of hundred of gallons of water shootong around a tank in your living room !!
28-02-2006 04:47 by jim barry	By the way if i understand what you are saying correctly then don't do it ! If you bypass your trickle tower you will bypass the filtration part of your sump.
28-02-2006 08:20 by yanton	yes, as jim says, interesting subject. we tend to forget noise levels when buying equipment. with trickles, the very nature of operation means a trickling sound of water. some mininmise this by placing them in the cabinet and heavily soundproofing. you may be able to reduce flow rates to give less noise. the only alternative is not to use the trickle facility. a trickle filter is not essential - there are quieter ways to handle filtration. get yourself a fluval fx5 to help with water quality. you may need to reduce stocking levels slightly by not having the trickle system (a well run system is great for breaking down wastes), but for the peace of the family maybe its worth not to use the trickle facility.
28-02-2006 11:15 by Alan	Can you post a picky illustrating the pipe work and we can advise accurately then as a general rule diagonal drops are quiter than vertical drops.
28-02-2006 17:26 by michael hinson	try putting a tap connection on the pipe leading into your sump which allows you to keep the flow constant but keeps the water from rushing down the pipe(may take a while to get the tap opened the correct amount)but it really works
28-02-2006 21:18 by Willuk	My god!! where to begin!!! The Tank is a DIY, so is the sump, however it was made by a professional some years ago so I was told!! The pipe inside the tank to the sump is rigid, looks like 35mm pipe, when it enters the unit underneath the tank it has a 90degree bend and the pipe continues on for around 9". The 9" section is situated in a homemade blue plastic box above the first chamber of the sump about 4" above. This is the pipe that has several holes in it allowing the water to flow out into the box which has 3 large holes in it, from there into the sumps first chamber. The pipe is wrapped in floss. Also the main pipe in the tank is slurping allot at the top where the water in the tank enters, its like your water in the kitchen sink when it comes to the end of emptying sometimes you here this, but its continuous on mine... I accept the noise level will be apparent but we have had to double the volume of the TV to be able to hear it! Its as loud as waliking into an aquarium shop!!!! Hope this explanation can give you a better picture. I will take photos and add them shorty, but if you can add any more now please do. Thanks
28-02-2006 21:56 by jim barry	A ball valve to your trickle tower will help maintain a constant level in your overflow box and a hole in the end cap of the stand pipe should sort out the gurgling noise. I don't like the sound of the 9" section inside a blue box ? But with out pics it is imposible to say exactly where it is going wrong. This is why i asked if it was a DIY system as they are all individual and set up is different for each one. Like i said, don't give up mate mine was exactly the same when i first stated my sump system up. Telly was louder than next doors !!!
01-03-2006 11:05 by Alan	I call my tank set up the bog because of the noise but it was my own design and its in the diner so noise isn't to much of a problem. One option may be to increase the flow into the main tank from the sump this will reduce the amount of air in the down pipe the other means of dealing with this is to have the outlet from the down pipe submerged this also reduces noise. The problem you have is with the vertical drop and basically splashing at the 90 degree bend a photo would help if possible showing both ends and the middle.
02-03-2006 20:46 by Willuk	Hi all.... Well after some tinkling with the water level I hit Jackpot.... I discovered my water level in my tank was to high. I have reduced this and killed some of the noise.... Basically the vortex or whirlpool was so high it was causing a slurping noise, now its as a quiet as a mouse!! Thats the first pic before I reduced the water.
02-03-2006 20:51 by Willuk	The next pics show the pipe entering the said box explained above... However I have now discovered that this box was used for buffer media etc... so without any thing in it except the pipe and water it sounds loud. I have since reduced this to almost nothing too. Also as the water flows from one chamber to the next I found alot of water noise there to. To over come this I have placed a little draw string bag with some carbon in it to break the flow down a little.. Almost have a marine tank as quiet as a tropical... Ran all this by my local shop Aquascope (Great Harwood Blackburn) they said this was fine!! heres hoping.
02-03-2006 20:52 by Willuk	I hope I'm making sense!!!
03-03-2006 08:20 by Alan	If it works stick with it. Replace the carbon regularly though you may be better putting a bag of rowaphos in the place of the carbon.
03-03-2006 12:19 by yanton	glad you found a solution willuk, now you can have sparkling water quality and a happy missus - good combination.
03-03-2006 18:33 by jim barry	Now i see you have no Durso ! Like Alan sais, if it's working then goodo. leave it be but be sure to change that filter floss every time you water change.

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