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KY Koi Pond Garden
a cool and soothing atmosphere

Been a while since I posted anything on the koi pond, thougt I’d just show you noobs how sweet it looks now and explains a little about the koi pond filteration system that I had set up. The filter system is designed to require very low maintenance, and at the same time, provide a superb condition for koi to live in.

But first, lets take a look at a couple snaps I took of the pond. The plants are now growing pretty tall as compared to just a couple months ago. You can compare it with this koi pond post that I wrote a few months back on September, and also this one from August. Huge difference isn’t it? However, the green and white plants are invaded by caterpillar recently and that has inhibit the growth quite a bit. The bamboo lookalike and the red leaf plants, however, has been going bezerk. The bourgonvilla is a new addition thanks to FA.

KY Koi Pond Garden
look at the nice gardening job

KY Koi Pond Garden
the kois grew quite abit too

Now lets get a little more pro and talk about the koi pond filter for a bit. Noobs like you might need a little fishy lesson and KY’s here to provide, worry not.

Koi, like any other fish, produces waste. The primary contribution of fish waste would be ammonia, and kois don’t particulary like their living environment to be of high ammonia content. Which bring us to the why the biological filter is needed: To create an eco system that will consume koi waste and keep the water parameter in safe and healthy level for the fish.

KY Koi Pond Filter System
first and second chamber of the koi pond filter

My filter is of the simple and old school 5 chamber variety. The first chamber is the settlement chamber, I leave a small net to catch bigger particles and also left the chamber empty to catch any heavy sinking debris. The 2nd chamber is filled with Japanese mat. The purpose of the mat is not so much filtration of particles, but to provide a surface for bacteria to colonise. The bacteria here serves the purpose of converting Ammonia to Nitrite, which is a bit more tolerable by the kois.

KY Koi Pond Filter System
third and forth chamber of the koi pond filter

I had filled the 3rd and 4th chamber with bio balls and bio stones respectively. These too are mediums for which different types of bacteria will colonise and make up the biological filtration system. The 2nd type of bacteria will convert the Nitrite to Nitrate.

KY Koi Pond Filter System
fifth chamber of the koi pond filter

Brush occupies the last chamber. I had added this as the last step simply because I bought the brush the latest. Thiese too serve the purpose for bacteria colonization. As to which type of bacteria thrives best on which surface, I don’t have a simple scientific way to find out. Then again, my filter system works just fine, with healthy water parameters.

KY Koi Pond Filter System
plants to soak up the Nitrate

So, if you’re following me, the Ammonia is converted to Nitrite, then to Nitrate. Well, the kois don’t really love Nitrate either, though they tolerate it much better than Ammonia. Hence this is where the plants come in to make the full eco system, apart from the healthy coating of algae on the wall and bottom of the pond, I have added a few rooted money plants to soak up the excess Nitrate. As a bonus, they are rather asthetically pleasing, I am trying to grow them around the water fall area.

KY Koi Pond Filter System
flushing the filter

To keep the pond clean, I simply flush the 3 bottom outlets of the filter for about 10 seconds each daily. Usually in the morning when I feed them. When the flushed water gets to be somewhat green, all I need to do is to shake the filter elements and flush all the dirt out. The process takes not more than half an hour and only need to be done once a couple months.

Awesome, isn’t it? Don’t you wish you have a koi pond too?

Koi Pond
   

Discuss : Koi Pond – Filter System and Pond Maturity

  1. […] Been a while since I posted anything on the koi pond, thougt I’d just show you noobs how sweet it looks now and explains a little about the koi pond filteration system that I had set up. The filter system is designed to require very low maintenance, and at the same time, provide a superb condition for koi to live in. […]

  2. Awesome, isn’t it? Don’t you wish you have a koi pond too?

    Nah.

  3. foodcrazee

    Nicely done KY – looks like you have to by a few more small koi and maybe ought to create some place for them to produce more lil koi.

  4. nice filtration ! great fish too!

  5. Best Koi pond I ever seen for a home! Tres Bien!!!!

  6. AWESOME…. simply awesomeeeee……..

  7. …..’s dad.

  8. Y u never mention anything on the mural painting? i think its part of the koi pond rite?

  9. ärchängël

    can i change that mural painting theme.. to wild sexy babe instead.. :p

  10. Hey… too much algae is bad though. Excesssive nitrate and algae are main factors of lake pollutions all across North America. The algae will eventually deprive your koi of oxygen. Thought you’d like to know :)

  11. Look like a nice place to do yoga….

  12. wahh impressive for a DIY pond

  13. the pond looks nice.. really DIY arh?

  14. Michael Lee

    KY – unanimous vote for you to be proud – but watch out for the well meaning comment for you to add some more fish. With the excellent facilities and water that you are providing, those little ones are going to grow, and grow, and …

  15. alicia: yah, really. me and my housemate horny, plus some part time helpers. look at the Koi Pond section. ;)

  16. love it ^^

  17. […] As I was doing the regular filter flush out in the morning over the weekend for the Koi Pond, the tap for the 3rd flush out tap busted. Luckily the knob was in the “closed” position when that happened, no panic. the busted tap, fixed […]

  18. Hi nice pond and details on the filtration system etc. I have been a fish (water keeper) for going on 30 years or so. Not to put a dampers on things but if it works for you then dont change But I truly believe the brushes should be used in the 1st chamber to filter out the solids. The reasoning behind all filter media as you stated is to create the correct environments for the bacteria to grow. The other reasoning on filter media progression through the chambers is that you have the easiest media to clean in the 1st slowly progressing to the more difficult like matting and alfagrog etc.last. Also the actual surface areas of the brushes isnt that great to colonise the good bacteria comapered to matting or alfagrog. Brushes are ideal for slowing the water slightly and getting rid of the larger solids and never really get blocked. Also no ariation should be used in the settlement chambers obviously.

    Anyway if your water is good and crystal clear by all means leave it alone but if you are always looking for perfection then try a change around and see how you go.

    Regards Ian

    KY: thanks for the suggestion, I think I will try that the next time I clean the filter.

  19. Wow.

    Was going through your food reviews when i discovered your Koi Pond section, and holy cow.

    Kudos to you and your housemate for putting together such a fine koi pond. Esp appreciate the landscaping job.

    I do have one thing to ask though. Noticed in some of the pics that the algae was starting to build up. Do you have to like empty the pool and scrub it down from time to time? Was just wondering cause they would be alot of work.

    Anyways, i always thought that it would be too much work to keep a koi pond, but just reading through your koi pond series has given me motivation. heh.

  20. Wowww…Thanks for your detailed insights to pond making.

    I too have been comtemplating digging a hole for a pond in my mom’s house.

    I know that you did it some time back, but you mentioned that you placed a wire mesh every 3 layer of bricks, how do you ensure that the joins are firm when the mesh overlaps.
    I also assume that it was laid Brick, cement, mesh, cement, next layer of brick.

    Hope fully you get what I mean… If not, its OK.

    An impressed admirer of your pond.

    Leon

  21. Leon,
    Thanks thanks. You just need to overlay the wire mesh, pretty simple actually. :D

  22. […] wall, plastering it, completed the top, and waterproofed the pond. Plants were then added and the filtration system installed after we put up a waterfall for the […]

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