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Home: KOI Talk: Pond Construction & Water Filtering System:
POND SIZE AND FILTRATION

 





 


PK CHENG
Koi Lover

Aug 15, 2000, 1:33 PM

Post #1 of 8 (678 views)
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POND SIZE AND FILTRATION Can't Post
DEAR ALL,
PLS. ADVISE :
1. HOW TO MEASURE THE VOLUME OF A POND WITH THE SIZE OF 26FT X 15FT X 3.5FT.I NEED TO KNOW ANSWER IN TONNAGE,GALLON AND LITRE.KINDLY PROVIDE FORMULAR.
2.IS 5 FT A MINIMUM AND WHY ?
3.I AY PLANNING TO HAVE 15 KOI IN THIS NEW POND,ANY GOOD SUGGESTIONS? I ONLY WISH TO KEEP VERY HIGH GRADES KOI.IS THIS NUMBER TOO FEW ?
4. HOW MANY BOTTOM DRAIN SHOULD I HAVE FOR MY POND ?

ALL SUGGESTIONS ARE GREATLY APPRECIATED.


Mark
Koi Kichi

Aug 16, 2000, 5:58 AM

Post #2 of 8 (678 views)
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POND SIZE AND FILTRATION [In reply to] Can't Post
Hi PK
Maths of you pond in your email. Please check.
Don't understand you 2nd question. Are you talking about 5ft depth or what? Please elaborate. Thanks.

Don't mind me asking how long you are into this hobby?


Khoobg
Webmaster


Aug 16, 2000, 12:29 PM

Post #3 of 8 (678 views)
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POND SIZE AND FILTRATION [In reply to] Can't Post
1 metre = 3.281 feet

Hence volume in M3
= 26/3.281 x 15/3.281 x 3.5/3.281
= 38.6 m3
= 38.6 tons

As 1 m3 = 1000 Kg = 1 ton

For such a big pond, it is strongly advisible to build your pond with minimum of 5 feet depth { Unless you have to take into the consideration of safety => Better to be safe than sorry }


PK CHENG
Koi Lover

Aug 16, 2000, 2:04 PM

Post #4 of 8 (678 views)
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POND SIZE AND FILTRATION [In reply to] Can't Post
HI MARK,

SORRY FOR THE INCOMPLETE QUESTION, QUESTION 2 REFERS TO THE POND DEPTH. MR. KHOO IS RIGHT, I AM CONCERNED ABOUT THE SAFETY ISSUE IF THE POND DEPTH IS TOO DEEP.

I HAVE KEPT KOI BETWEEN 1988-1995 BUT HAVE STOPPED FOR MANY YEARS. I AM TRYING TO COME BACK TO THIS HOBBY AGAIN.

APPRECIATE YOUR ASSISTANCE.


Mark
Koi Kichi

Aug 17, 2000, 6:56 AM

Post #5 of 8 (678 views)
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POND SIZE AND FILTRATION [In reply to] Can't Post
Thanks for your prompt reply. Wow! thats alot of years and you should be helping us here...just joking.

Good to consider about safety like what Mr Khoo said. You have children?

Welcome back to the koi hobby.


PK CHENG
Koi Lover

Aug 20, 2000, 1:54 AM

Post #6 of 8 (678 views)
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POND SIZE AND FILTRATION [In reply to] Can't Post
Hi Mark,
I have four kids and there are many more kids in our neighbourhood. Many kids do come around without invitation, my biggest concern is kids falling into the pond.

Anyway, any suggestions for the varieties mix ? Is 15 to 20 koi too few for the pond of this size (35 tons) ? Perhaps the pond is too big.

PK


Mark
Koi Kichi

Aug 21, 2000, 1:47 AM

Post #7 of 8 (678 views)
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POND SIZE AND FILTRATION [In reply to] Can't Post
Hi PK
That's about 17 feet length of fish.

If its 15 to 20 koi than it has to be something like 10 inches in size.

This figure is a real conservative consideration.


Ben
Koi Lover

Aug 21, 2000, 3:19 AM

Post #8 of 8 (678 views)
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POND SIZE AND FILTRATION [In reply to] Can't Post
With a good filter, your 35 tons pond should be able to handle 15 koi of up to 20" or even 24") without much problem. Hence spend some serious time to design a proper filter.

 
 
 



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