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  1. #41
    Quote Originally Posted by Frimley Koi keeper View Post
    I contacted Manky Sanke recently regarding reducing Nitrates and he recommended either a trickle tower which requires a very low flow rate or a shower which requires a much higher flow rate.

    The way I understood what he told me was -

    If you have normal bio filtration and an anoxic filter you will never get zero Nitrate as the normal bio filtration will be producing it faster than the anoxic filter can remove it or something along those lines. Also a shower works because the crashing water gasses off a lot of the Ammonia before it gets converted to Nitrite and then Nitrate and a trickle tower works because the media inside it is capable of removing Nitrate as water is passing through the tower slowly enough for the process to work. And finally if you have an anoxic filter as you only source of bio filtration then that works too but obviously you need a pre filter before it to remove the muck before it gets to the anoxic filter.

    I hope I have got it right and fully understood what he explained to me?
    Yes Jon that's correct.



    Rapleyr,

    The anoxic filtration system wasn't a good idea that Kevin Novak came up with one day. He is an expert in microbiology and anoxic filtration is a specially designed system that is the result of many years of research and trials. It provides the correct biome where all the microbes can work in a symbiotic relationship helped by the molecular properties of the correct type of cat litter and the nutritional properties of Laterite and/or the suggested alternatives.

    If you read my article it's very simple to build and very adaptable to different situations but it's only guaranteed to work if you follow the essential features which are set out as clearly as I can. I've also addressed all the questions and points that have been raised since I began promoting it since 2009.

    Regardless of how people might want to adapt the system to their own needs, in every case, baskets of the correct type of litter in combination with one of the recommended nutrients is essential. Packing the cat litter in tights is doomed to failure and there have been no tests on the plant fertiliser you've chosen so I can't state categorically whether it would be suitable other than to point out that it contains enzymes that promote soil bacteria which are aerobic as opposed to facultative anaerobic bacteria which are the ones that you want in the centre of the baskets.

    If you read the article, it states that only the central zone of the baskets is anaerobic. The rest of the anoxic pond is highly aerated and, one of the options for the system is for the pond to be fed via an airlift. You can't get a much more aerated anoxic pond than that.

    Other than that, you are correct!!

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  3. #42
    Senior Member Rank = Kyusai Rapleyr's Avatar
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    Thanks for the info

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  5. #43
    Extreme Koi Member Rank = Supreme Champion Frimley Koi keeper's Avatar
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    Nice one Syd

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  7. #44
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by Frimley Koi keeper View Post
    Nice one Syd
    You explained that brill frim
    I thought i was back at school listening to the teacher.
    Again nice one mate

    Sent from my SM-G925F using Tapatalk

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  9. #45
    Extreme Koi Member Rank = Supreme Champion Frimley Koi keeper's Avatar
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    Well Syd was the teacher Fred and it just showed that I was a good listener lol

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  11. #46
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by Frimley Koi keeper View Post
    Well Syd was the teacher Fred and it just showed that I was a good listener lol
    Hi but you graduated lol.

    Sent from my SM-G925F using Tapatalk

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  13. #47
    Extreme Koi Member Rank = Supreme Champion Frimley Koi keeper's Avatar
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    Quote Originally Posted by freddyboy View Post
    Hi but you graduated lol.

    Sent from my SM-G925F using Tapatalk
    So does that make me The Graduate?

    Are you trying to seduce me Mrs Robinson

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  15. #48
    Senior Member Rank = Kyusai Rapleyr's Avatar
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    This is a before and after of my tap water after using the dechlorinator!!!

    A1CC0DC4-0792-4BA3-AA39-587C6758375D.jpg

  16. #49
    I'm not sure what we are looking at. Are these both nitrate tests? Also, the samples are easier to interpret when they are viewed against a white background especially in front of the chart by the side of the appropriate colour scale. As below.





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  18. #50
    Senior Member Rank = Kyusai Rapleyr's Avatar
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    that is the nitrate test of my tap water. red one is from the tap and yellow (0 nitrate) is after going through the dechlorinator

    photo was to just show the difference

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  20. #51
    So you have high nitrate in your supply, (which isn't unusual if your water catchment area is an agricultultural area), but it's all being removed by the purifier so you can relax and sit by the pond and watch the koi grow and improve in their low nitrate water towards show winners and maybe even a Grand Champion!

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  22. #52
    Senior Member Rank = Kyusai Rapleyr's Avatar
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    Indeed, thanks

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  24. #53
    Quote Originally Posted by Rapleyr View Post
    so if I remove all the plants in the top pond which are currently baskets planted in soil and pebble and replant these with the specific cat litter and a small amount of soil this will aid the reduction. The below article says one basket per fish. My top box is 2.4 meters wide and 20x20cm so I could easily get a basket per fish. Does this act as additional bio?

    Anoxic Filtration
    The link is a great read, thanks for posting it..

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