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PostPosted: Tue Nov 09, 2010 11:10 am 
Actually, you should see droplet of water instead of runninng water from tray to tray. That's is generally the way to judge whether the flow is at the right speed or not.

Base on my experience, if the pump rate is slightly high it is not much an issue.

Remember a secret is trickle filtration is the height and the media used. smile.


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PostPosted: Tue Nov 09, 2010 4:38 pm 
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TUNA
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wolverine wrote:
Actually, you should see droplet of water instead of runninng water from tray to tray. That's is generally the way to judge whether the flow is at the right speed or not.

Base on my experience, if the pump rate is slightly high it is not much an issue.

Remember a secret is trickle filtration is the height and the media used. smile.



Thanks for your guidance. My filter at this stage is like water coming out of shower head.

Should I get a control valve or get a lower rated pump?

Which media is best to use? I have so far in my OHF

first tray: coarse spong, filter wool
second tray: fine sponge, coarse sponge
third tray: bio balls
fourth tray: coral chips
OHF water outlet tray: coarse sponge.


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PostPosted: Tue Nov 09, 2010 6:13 pm 
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For trickle tower the flow rate got to be well control, else your water would overflow very easily when you wool get dirty.

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PostPosted: Wed Nov 10, 2010 4:50 am 
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Hey guys,
We have lots of expert on trickle tower filter in this forum, does any one has any advice to how to reduce the noise on this type filter?

I mean noise is a lot and basically makes it the worst type to use in your house or apartment. It got to be a way to make it quite or at least less noisy, any idea?

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PostPosted: Wed Nov 10, 2010 11:44 am 
cylap888 wrote:
Thanks for your guidance. My filter at this stage is like water coming out of shower head.
Should I get a control valve or get a lower rated pump?
Which media is best to use? I have so far in my OHF

first tray: coarse spong, filter wool
second tray: fine sponge, coarse sponge
third tray: bio balls
fourth tray: coral chips
OHF water outlet tray: coarse sponge.


If u don't mind, i would suggest you get a new pump.
Do note, if u intend to stack the tray higher in future, some time 'low-rate' pump would not have the strength to push the water up, while the 'high-rate' pump is able to do so, and by the time the water is out, the rate is much slower than rated (just nice).

Bio-balls in a single tray would have little or no effect, in my personal opinion another tray of sponge is good.

NOTE: Do not treat trickle filtration system as bio-filter (despite it is at some degree). But build it with the mind that you are building a mechanical-filter.

NOTE: The right kind of sponge to use is the secret of the trickle filter.


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PostPosted: Wed Nov 10, 2010 11:57 am 
alexp wrote:
Hey guys,
We have lots of expert on trickle tower filter in this forum, does any one has any advice to how to reduce the noise on this type filter?

I mean noise is a lot and basically makes it the worst type to use in your house or apartment. It got to be a way to make it quite or at least less noisy, any idea?


The biggest and only problems with trickle filtration system are:
* Ugly
* Noisy

Noise come from two area,
(1) The outlets (from the tank to the top tray)
(2) The trickle from the bottom tray to the tank

(1) You can tie a plastic bag (strips) around the outlets, as the water rush out, it is guided by these plastic bag strips, that would reduce the impact of the rushing water noise.

(2) Get a 'collection tray' to collect the falling droplets and then flow it down the tank through a pipe or holes. Can put sponge on the collection tray to silence the falling droplets.
(2) Or simply, add the water level near the base of the bottom tray (minimum distance between the droplet and the tank water surface = minimum noise). Of course to do that, you have to design a way that the trays (tower) sits a few inches into the tank.


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PostPosted: Wed Nov 10, 2010 12:23 pm 
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To reduce noice, get a silent pump. The noise impact of the water droplets can be reduce by the cushion of the filter wool, do make sure you have the perforated plate well covered. The water outlet from the filter should be consolidated to a single point, output through a long funnel into underneath the water.

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PostPosted: Thu Nov 11, 2010 10:29 am 
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I have read someone use styrofoam board to box it around their bakki shower so that there is minimal noise.

I guess you can do the same with trickle tower too.


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PostPosted: Fri Nov 12, 2010 3:59 pm 
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Yes, if you enclosed your filter in the cupboard, you can hardly hear anything.

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