Koi Forum (Nishikigoi - Japanese Koi Fish): KOI Talk: Pond Construction & Water Filtering System: Is Settlement Tank + Trickle T w/o other bio-filters sufficient

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Is Settlement Tank + Trickle T w/o other bio-filters sufficient

limws
Koi Lover

Aug 11, 2000, 12:24 AM

Post #1 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient	Can't Post

Hi all,
I have read somewhere that certain people employ only a settlement tank, and a group of trickle systems with good results for a large pond. I understand that most others basically add on a trickle system to further complement their existing overflow bio-filters.
If it is from the stand-point of a person who is trying to build a filter system from scratch, is it sufficient to have only a settle-ment tank (no mech filters, just using vortex flow to force waste to stay at the bottom of the settlement tank), connected to a trickle system with only bio-balls. I recall reading from Mark Richman's reports on his t.t. studies that the t.t. could minimise nitrites, ammonia and most effectively nitrates. Pls comment as some of us who are trying to improve our ready-built rotten filtration system may have space issues fitting up a 3-stage overflow to a t.t.
On the same subject, can anyone comment also on the effectiveness of having only a eheim (filter cannister with built-in pump and mech filtration) connected to a t.t.?

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Rgds,
WS.

Ben
Koi Lover

Aug 11, 2000, 1:18 AM

Post #2 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient [In reply to]	Can't Post

Connecting an canister filter to a trickle is definitely good as the trickle will provide additional filtration capacity. I have seen a pond that run with only mechanical + a big trickle filter system and the water in the pond is just fine.

In most pond, it is important to install a good settlement chamber as pond owner need an effective way of removing the heavy fish waste easilyand regularly. The bio filter can be either a submerged type (2 stages, 3 stages,.....) or the trickle filter type, it is up to you. All other addition such as sand filter, vegetation, UV,... is optional. Trickle filter will be extremely useful for koi lovers who keep their koi indoor where there is no sunlight to support vegetation.

Wee Chong
Koi Lover

Aug 11, 2000, 8:51 AM

Post #3 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient [In reply to]	Can't Post

Hi Limws!
sorry if i give you the wrong idea,i used eheim filter because i already have them before i have koi.it is wiser if you get those normal canister filter(submersible type with sponge attached) sold on every fish shop(those is much cheaper than eheim filter,easy to do cleaning as well)i think they do the job just as fine as eheim.they come in various flow rate,sure you can find 1 for your tub.
Thanks and Rdgs!

(This post was edited by Wee Chong on Oct 8, 2000, 2:00 PM)

limws
Koi Lover

Aug 11, 2000, 11:15 PM

Post #4 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient [In reply to]	Can't Post

Thanks for the replies.
How do I add a settlement tank before the eheim/external cannister filter?
At the same time, as I am staying in high-rise apartments, I am trying to have a small-size T.T. I have seen people using some form of small and short clay/plastic tubes, which are much smaller than bio-balls ( about 1/4 of bio-ball size). Is it possible for me to have only these materials in my T.T. w/o any bio-balls? If so, this could reduce ,my T.T. dramatically. Thanks.

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Rgds,
WS.

Khoobg
Webmaster

Aug 12, 2000, 12:50 AM

Post #5 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient [In reply to]	Can't Post

You can use those small clay or ceramic ring for your trickle filter as shown in the following picture.

If you find those modular system, then you can play around with it and add more when the need arise.

Wee Chong
Koi Lover

Aug 13, 2000, 7:08 AM

Post #6 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient [In reply to]	Can't Post

Hi Limws!
I'm wondering that are you going to place your settlement chamber before your existing filter box or are you planned to have it to your D.I.Y. T.T only?because if you place settlement chamber before eheim filter(external box filter with build-in pump and 2 or more plastic basket for filter medium inside) or canister filter(power head with sponge cartrige attach),i would say it's not required to do so,the "eheim" or "canister" filter already act as mech filtration(remove all debris) before entering your T.T.
I personally have 1 proposal.add 1 internal canister filter(won't take up alot of space) run only to your D.I.Y T.T. and you can add 1 more settlement chamber to your existing filter.
above mention is only my own thoughts.
Thanks and Rdgs!

limws
Koi Lover

Aug 16, 2000, 7:06 AM

Post #7 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient [In reply to]	Can't Post

Hi Wee Chong,
I was told that most cannister filters do not have a drain-out for waste settlements( the solid waste), and these would get stuck in the filter mattings and would affect the filter efficiency and harbour disease. As such, I am hoping to be able to fit a settlement tank before the cannister filter (it is more compact than conventional wet filter and easier to conseal) which is in turn connected to a T.T. But so far I have not figure out how to connect a settlement tank to a cannister filter without adding an additional pump to get water into the settlement tank first.

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Rgds,
WS.

limws
Koi Lover

Aug 16, 2000, 7:10 AM

Post #8 of 8 (875 views)
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Is Settlement Tank + Trickle T w/o other bio-filters sufficient [In reply to]	Can't Post

Thanks Khoo.
While shopping for the ceramic rings, I was recommended by the dealer to instead purchase a similar size ring( looks like it's made of plaster/clay, with a smaller hole and rougher surface). These rings during washing turns the water cloudy(whitish) with white particles. Is this the same clay rings you are refering to? How does the clay rings look like, and is it as efficient as the ceramic rings?
Anyway, I am going to return these darn rings to be replaced by ceramic rings. I can't seem to wash them completely of the cloudy white substance!

Quote

Originally posted by Khoobg:
You can use those small clay or ceramic ring for your trickle filter as shown in the following picture.

If you find those modular system, then you can play around with it and add more when the need arise.

------------------
Rgds,
WS.

(This post was edited by limws on Mar 8, 2001, 3:00 PM)

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