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Home: KOI Talk: Pond Construction & Water Filtering System:
bateria in filter

 





 


jmf
Koi Lover

Mar 26, 2001, 5:27 PM

Post #1 of 4 (541 views)
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hi all,
could any koi lover answer me:-
how to know when the filter system being colonized by bateria?
when to consider the filter system is mature?
how often should I clean the filter?
TQ & happy koi keeping


Khoobg
Webmaster


Mar 26, 2001, 10:49 PM

Post #2 of 4 (540 views)
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You can check whether bacteria has colonized your filter by testing the pond water for ammonia and nitrite everyday. Initially, both value will be high and they should drop progressively when bacteria starts to colonize the filter. When the filter is matured, you will continue to register constant zero value for both ammonia and nitrite as the filter is now able to handle is efficiently.

The filter chamber should be designed so that water can be flushed out to remove waste from time to time. The first most important step is to design a good settlement chamber to trap all possible heavy solid fish waste. Use either carlnet or brushes for the settlement chamber. This chamber can be cleaned weekly by moving carlnet up and down so that the trapped fish waste will fall to the bottom of the chamber. The waste can then be flush out by pulling the standpipe.

With a good settlement chamber, very little soild waste will reach the bio filter and the bio filter will just concentrate on treating the dissolved waste. In this manner, you may not need to clean your bio filter for a long long time. Any unnecessary cleaning will disturb the bacteria colony anyway. Clean only when really necessary, i.e. when the bio filter is clog.



Mark
Koi Kichi

Mar 26, 2001, 10:54 PM

Post #3 of 4 (540 views)
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Hi JMF,
Let me try to answer your questions while others could help us along the way.

1). How to know when the filter system being colonized by bateria?
A). Ammonia and/or nitrites registrations are tell-tale signs that filter system is not colonised. Usually these signs will also tell you that filter system is having problem whenever they showed up in test kits.

2). When to consider the filter system is mature?
A). Colonisation usually takes approx.7 weeks for a new system. You can however speed up this process by "borrowing" some colonised filter media from a hobbyist's pond and put them into a new filter system for the good bugs to multiplies.

3). How often should I clean the filter?
A). There are no direct answers to your question. However, the frequencies depended alot on the followings:
a). Do you have the basic test kits - pH, ammonia and nitrites testers?
b). Does your filter system comes with a back flushing device where you could just flush out the heavy waste at least once a week?
c). Is your system capable of handling the current load(fish)?
d). Are you overstock with fish?

Let hear from the rest of the hobbyists.

Good luck.


jmf
Koi Lover

Apr 2, 2001, 3:05 PM

Post #4 of 4 (540 views)
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TQ v much for ur reply.
Happy koi keeping to all

 
 
 



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