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Pond Filter

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David C H Ngie
Koi Lover

May 5, 1999, 2:39 AM

Post #26 of 59 (27984 views)
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Dear Mr Khoobg,
Thankyou very much for the answer on "uniring".It's being a great help.

David C H Ngie
Koi Lover

Jun 16, 1999, 3:45 AM

Post #27 of 59 (27984 views)
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Hi,Guys.
At last, my pond is ready.I hereby express my gratitude to those who help me along the way especially Mr khoobg & Mr Hans Ham.I'm now having a 100 tons crystal clear water pond that back up by 50 tons filter that i get most of the design from the club.
I am trying to figure out how to put the whole process ie photo to the forum so that every one can share the design.May be Mr Khoobg or Mr Hans can help me up ?

Khoobg
Webmaster

Jun 16, 1999, 6:11 AM

Post #28 of 59 (27984 views)
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Hello Dave,

Congratulation on your completed pond Smile

To send the photo to me for inclusion in this forum, take one of the following steps :-

(1)If you have a digital camera, take the photo and email me the .jpg file by email attachment to koi@koi.com.my

(2)If you have a scanner, scan the ordinary 3R photo and similarly email the .jpg or .tif file to me at koi@koi.com.my

(3) Just mail me the 3R photo via normal post and I will do the rest. My address is :-

No.5A Jalan Pandan Indah 4/6A,
Pandan Indah, 55100 Kuala Lumpur,
Malaysia

Khoo BG

David C H Ngie
Koi Lover

Jun 18, 1999, 8:01 AM

Post #29 of 59 (27984 views)
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Hi Mr Khoo Ng,
I try the scanner it did not turn out clear,instead i will sent you the photo.

Khoobg
Webmaster

Jun 18, 1999, 8:47 AM

Post #30 of 59 (27984 views)
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Hi,

Just put them in the mail and I will do the rest

Khoobg

David C H Ngie
Koi Lover

Jun 19, 1999, 7:55 AM

Post #31 of 59 (27982 views)
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Dear Mr Ng
I am sending the photo to you by today.I will be outstation again for 1 week,i will get back to you when i get back.

Regards.
Dave

Khoobg
Webmaster

Jun 19, 1999, 7:59 AM

Post #32 of 59 (27982 views)
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Hi Dave,

See you then. By the way, my surname is Khoo.

Thanks

Khoo BG

David C H Ngie
Koi Lover

Jun 20, 1999, 2:34 AM

Post #33 of 59 (27982 views)
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Sincere apology for addressing your surname Mr Khoo.

Regards
dave

Khoobg
Webmaster

Jun 27, 1999, 2:09 AM

Post #34 of 59 (27982 views)
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Daves pond is now featured on this page

www.koi.com.my/d1.htm

David C H Ngie
Koi Lover

Jul 3, 1999, 2:38 AM

Post #35 of 59 (27982 views)
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Hi,Mr Khoo.
Thankyou for putting up the pond picture.please comment on the pond & filter design,so it will beneficial to me and to the other member as well.

KokJong
Koi Lover

Aug 29, 1999, 1:15 AM

Post #36 of 59 (27982 views)
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Hi Khoo,

1. Filter is an important element in maintaining quality water even for small fibreglass water tank.

2. What should I be looking at? chamber filter or drum filter? to maintain crystal clear water condition for a water tank, sized 2MX1MX1M?

Kindly advise.

Regards.

------------------

Mark
Koi Kichi

Aug 29, 1999, 1:49 AM

Post #37 of 59 (27982 views)
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If you could provide more details:
1. How many koi do you intent to keep?
2. The ultimate size of your koi?
3. Your budget?
4. The decor consideration?
5. Facilities like tank is next to drainage system, etc.

Nice tank size you have.

KokJong
Koi Lover

Aug 30, 1999, 12:42 AM

Post #38 of 59 (27982 views)
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Hi Mark,

1.I just bought a fibreglass tank measured 6ftsx3ftsx2fts with no drainage system. It comes with an overhead 3 3fts(W) box filter. There are compartments in the filter box to deposit the filter media. I paid S$430 for it excluding delivery and no water pump. It is the most reasonable price that I cld find.

2. I guess water tank in JB is cheaper. For a 6fts kidney shaped tank with an internal filter compartment you pay RM$1100 or less. In Singapore, you pay the same price in Singapor dollars!

3. I intend to keep just 9 Kois although I'm so tempted to collect the 14 offical types.

3. There will be no decor in the tank but I may consider putting some plants in the box filter. Recommendations?

4. I doubt the fish will grow very large in such a small tank. Probably 40cm-45cm is the max.

Regards.

Mark
Koi Kichi

Aug 30, 1999, 1:33 AM

Post #39 of 59 (27982 views)
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I suppose this NEW tank is placed indoor and sunlight shines only at certain time of the day. It contains 3 chambers.

If that's the case, there is no need to spend a bomb! However, you have to jumpstart your bio filter first. A normal fibre mat and bio balls is more than sufficient to keep your tank clear. I shall not use the word crystal clear - very subjective. If your f.box comes with back flush, then maintenance is make easier. Every week just drain out all the "dirts" and stop the valve till the latter is clean of "dirt".

Hope this help.

Incidently, how long have you been in this hobby?

KokJong
Koi Lover

Aug 30, 1999, 1:28 PM

Post #40 of 59 (27982 views)
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Hi Mark,

1. Yes. I placed the new tank in my study room. I cld enjoy the the Koi and "Water music" as and when I get exhausted on the computer.

2. This f.box comes with 4 chambers. I don't know much about the technical term on the filter media. Anyway, lets see..I placed those hard wiry bio filters on the bottom layer of all the chambers. spongy filter media were placed on the 2nd layer in all the chambers. Next, 1st and 2nd chambers contain small clay filters with hole in the center. 3rd chambers contains bio balls and coral stones. 4th chambers containes bags of activated carbon.

3. I poured Aquamate to condition the water and to reduce stress in the fish.

4. The f.box is attached to a water pump and there is no back washing feature. I've been advised that once the water is conditioned, water cld be changed half-yearly. I guess this is too good to be true.

5. I'm Novice. I started my Koi hobby almost
3 months back. How about you?

Regards.

------------------

SiaCW
Koi Lover

Mar 15, 2000, 1:50 AM

Post #41 of 59 (27981 views)
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Hi KokJong,

May I know where you get the fibreglass tank from at $430? A shop that I visit charging me $550 without the filter box!!

Anonymous
Anonymous

Mar 15, 2000, 8:21 AM

Post #42 of 59 (27982 views)
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"Seng Seng Tropical" located at 15 Fish Farm Road 2 have a good selection od new and used ones for as low as $300. Filter boxes cost something from $200 onwards. Need to bargain with.

I got mine 2 weeks ago at S$400 for a 5x3x3 feet. Initial asking price was S$550.00

Good luck to you.

Sam Ong
New User

Mar 25, 2000, 6:13 AM

Post #43 of 59 (27981 views)
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Hi,

With regards to the pond filter, is it advisable for the pump to be operational for 24 hours or on a 4-hour on/2-hour off shift (to prolong the life of the pump and reduce your electricity bill) ?

Regards.

cch
Koi Lover

Mar 25, 2000, 6:32 AM

Post #44 of 59 (27981 views)
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Water Pump for pond filter and Air pump must be on 24 hours a day so that the filter can continue to treat the pond water to prevent the build up of ammonia and nitrite.

There are so many type of pumps in the market and buying the right pump is important as it will save you a long of money. Some of the pump in the market has a power rating of 375Watt the has a smaller pumping capacity than the 150Watt OMNI pump which pump faster and save 60% on power bills.

Cheers

Laksaginta
Koi Lover

Jun 12, 2001, 5:56 AM

Post #45 of 59 (27982 views)
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Hi , I need more suggestion from you guys.
My pond with 8 pcs of 40 cm Koi experiencing green color and high nitrite content after 4 weeks old.
My water reading yesterday was
pH = 8.0
Nitrite = 1.0 mg/l NO2
Nitrate = 500 mg/l NO3
Amonia = 0.2 mg/l NH3
KH & GH have not been tested yet(waiting for the test kit to be available)
subsequently I did 50% water change
and this morning the NO2 reduced to 0.5 mg/l
Again I did 50% water change and taken out all water plants(Keladi plant),I will test again the reading by tomorrow morning.

However the water still in green color.Fish almost invincible.

I have installed trickle tower filter(1500 pcs bio ball) on top of the Japanese green mat chamber,yesterday and the output goes back to the chamber and transfered to the pond via waterfall.
The pond is "L" shape , size approx. 3.6 m x 3.6 m x 0.8 m depth, filter chamber is adjacent to the L pond size 1m x 1.8m x .8m.

The drain system using uniring,forced removal dirt concept, with timer every 6 o'clock will drain the pond for 1 minute.
( photos will be email to webmaster if allowed)
I used 1000 GPH submersible pump located in the filter chamber and the outpout is splitted into two outlet one to the waterfall and the other to feed the TT.

Question are;
1. Do I need to wait another 4 weeks for the TT to mature.
2. Is the above filter configuration is still considerd undersized?
3. Is the input flow rate(approx. 500 GPH) for TT is sufficient?
4. I am thinking of installing another TT which feed directly from the pond, without going thru green mat, is this will help to quicken the eliminate green water?

Your expertise advice on this matter will be highly appreciated.

Cheers,
Laksaginta

Khoobg
Webmaster

Jun 13, 2001, 1:57 PM

Post #46 of 59 (27982 views)
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Khoobg
Webmaster

Jun 13, 2001, 2:09 PM

Post #47 of 59 (27982 views)
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The filter is definitely undersized (only about 14% of pond's surface area). This deficiency can however be compensated with the use of trickle tower. You may need to wait for a while for your trickle tower to reach its potential. Flow rate to trickle tower should be slow and 500GPH is considered fast.

TT should install in the last stage of filtration system. You always want to have water entering your trickle tower to be free from heavy fish waste. If you wish to introduce water directly from the pond to trickle tower, you will need to add prefitler on top of the trickle tower to filter off heavy waste. Fine matting will be good for the job but you will need to clean them often and is definitely not comfortable.

Adding more TT will definitely help Smile

Ken Sutanto
Koi Lover

Jun 13, 2001, 11:01 PM

Post #48 of 59 (27982 views)
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Laksaginta,

To calculate the surface area and capacity of your pond and filter. You need to give a sketch with dimension. You said pond size 3.6 X 3.6 X 0.8 Mtrs but it is L-Shape, not rectangular. Without correct data, may lead to wrong direction.
Green water for new pond is normal when no cover at all over your pond. If you want to get your filter mature, I can rent to you my fiter mat few pcs so can reduce the amonia and nitrite level quicker. Also I can rent you one bag of bioball of my trikle tower.
To overcome green water quickly, you need to cover partially your pond with net or install a UV in the last chamber of you filter. If you can wait for green water problem, when your filter and tricker tower mature, the green water will move away as well.

Hope that helpful.

Cheers,

Ken

Chingbee
Koi Lover

Jun 14, 2001, 2:35 AM

Post #49 of 59 (27982 views)
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Dear Mr. Khoo,

Since you said that Trikle Tower should be situated after the filter how do I do this?

This is how my filter will be designed:
1. Vortex (circular)
2. filter with netting
3. matting and rocks
4. might put uv then pump

This will be like the design of Mr. Hans with water going down and up and down and up. So on the last chamber I will then have only 1 pipe going to the UV? then 1 pipe going to the pump? Where will I situate the trikle tower if I will incorporate it on my filter?

Ching

Khoobg
Webmaster

Jun 14, 2001, 3:52 AM

Post #50 of 59 (27982 views)
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In normal filter design, water pump is normally situated in the last chamber to pump the water back to pond. Instead of pumping all the water back to pond, you may wish to divert some of the water to trickle tower. Some of the water can also be diverted to water way where you can plant a lot of vegetation to absorb nitrate from your water. Water from these water way or TT will finally go back to pond via gravity.

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