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  1. #21
    My lot have really taken to the OSW, and are like Piranha when 5hey hear the feeder go off.

    I have noticed poo, which I never did with the Medikoi, but they are all tucking into the blanket weed between meals, so it could be that.

    Jay

  2. #22
    So it's been a few weeks now on the OSW and this is what I've found.

    1st, the fish love the stuff, they go crazy for it.
    2nd, colours seem to be brighter on my red fish.
    Unfortunately this is where the positives end.

    Factual negatives first.
    1. There is poo everywhere
    2. The filters have a really bad sewage smell, like I used to get on my first pond while feeding very cheap food.
    3. The filters are left with a really thick, extremely smelly sludge after boiling the easy and draining the centre.

    Now these observations aren't factual, and could be influenced by many other factors, but they all coincide with the change of diet.

    1. The crazy growth I have seen in my small fish has slowed massively.
    2. A lot of my older fish have slimmed down.
    3. My fish aren't as active.

    With all the above, you won't be surprised to learn I won't be using OSW again. I am determined to find a cheaper alternative to Medikoi.

    Anyway, I hope this helps some other

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  4. #23
    Senior Member Rank = Supreme Champion RS2OOO's Avatar
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    Interesting feedback Jason.

    I've not tried OSW but it is on my to try list.

    I'm currently feeding mainly Coppens Top Koi and one feed a day with JPD Yamato. The koi prefer the former and they prefer it over Medikoi too.

    As for the water, I never thought about it till seeing your post but come to think of it the water does seem darker than it did last summer when I was feeding Saki Growth. In my mind I put it down to the lack of sun this summer, always seems cloudy, but it could be tinged from the food. I'll have a closer look on the next sunny day.

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  5. #24
    Extreme Koi Member Rank = Adult Champion NickK-UK's Avatar
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    The water was better with medikoi probiotic. Brown tint, more filter waste. I would say less lustre with the Yamato.

    I’m starting to put the Yamato in the mucky food bracket.

  6. #25
    Rs, how's the waste with Top koi? Its the sheer amount of waste that is my main issue, as that means it's clearly not being digested.

    I also forgot the mention the huge amount of protein scum I have now too, my skimmer looks like a washing machine in a carry on movie.

    I never got any of this with Medikoi, just happy fast growing fish and filters that just filtered algae and blanket weed.

    Jay

  7. #26
    Senior Member Rank = Hassai big h's Avatar
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    The best food ive ever used was Hikari Gold.Im using osw,but agree theres an awful lot of waste.If i hadnt bought 15kg i would be going back to Hikari gold,as its damn good value when its on offer

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  9. #27
    Senior Member Rank = Supreme Champion RS2OOO's Avatar
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    Quote Originally Posted by NickK-UK View Post
    The water was better with medikoi probiotic. Brown tint, more filter waste. I would say less lustre with the Yamato.

    I’m starting to put the Yamato in the mucky food bracket.
    I regret buying the Yamato since discovering it is Coppens food in expensive JPD packaging.

    That wouldn't normally bother me but the fact the JPD website claims all their foods are only manufactured in Japan is somewhat dishonest.

    Someone also told me that if you compare JPD from Japan to JPD bought in the UK the food inside is totally different.

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  10. #28
    Senior Member Rank = Gosai Stephen01's Avatar
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    Quote Originally Posted by Jason Megson View Post
    So it's been a few weeks now on the OSW and this is what I've found.

    1st, the fish love the stuff, they go crazy for it.
    2nd, colours seem to be brighter on my red fish.
    Unfortunately this is where the positives end.

    Factual negatives first.
    1. There is poo everywhere
    2. The filters have a really bad sewage smell, like I used to get on my first pond while feeding very cheap food.
    3. The filters are left with a really thick, extremely smelly sludge after boiling the easy and draining the centre.

    Now these observations aren't factual, and could be influenced by many other factors, but they all coincide with the change of diet.

    1. The crazy growth I have seen in my small fish has slowed massively.
    2. A lot of my older fish have slimmed down.
    3. My fish aren't as active.

    With all the above, you won't be surprised to learn I won't be using OSW again. I am determined to find a cheaper alternative to Medikoi.

    Anyway, I hope this helps some other
    foods for all aquatic species.
    I’ve found this to be superb growth food and the staple is great as well... good value too


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  11. #29
    Extreme Koi Member Rank = Adult Champion NickK-UK's Avatar
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    Quote Originally Posted by RS2OOO View Post
    I regret buying the Yamato since discovering it is Coppens food in expensive JPD packaging.

    That wouldn't normally bother me but the fact the JPD website claims all their foods are only manufactured in Japan is somewhat dishonest.

    Someone also told me that if you compare JPD from Japan to JPD bought in the UK the food inside is totally different.

    Sent from my Pixel 2 using Tapatalk
    Probably is "Designed in Japan"...

    I have to say I'm not too impressed with the JPD - I will continue with it till the winter switch then I will switch to Medikoi wheatgerm. Next summer I may be tempted by some Coppens but may end up blending it with medikoi next year. I'm pretty sure the added clay into the food acts like a laxative.. Good that it's getting through put but I would say the drum is extracting more stinky stuff into the bucket with JPD compared to the Medikoi. So in reality you're probably paying for the JPD saving in the cost of a larger drum/filter..
    14000l, my mutts: Chargoi (2010), Doitsu (2022), Tancho (2022), Kujaku (2022), Hi Utusri (2022)

  12. #30
    Rs, you replied about the Yamato but not the top koi.

    How do you find the top koi, what is the waste like?

    Nickk, I would strongly urge you not to buy the Coppens, as so much of it is going to waste that it's costing more than the Medikoi, not only in £ but in possible health issues for the fish with all that rotting waste, it's putting additional stress on the filters too. Its not good food.

    I'll try a few more brands, but I'll buy much smaller amounts until I find one I'm happy with.

    Medikoi Health has "NO" waste at all from my fish, and amazing growth. I've never used any of there other products so can't comment on them.

    Jay

  13. #31
    Extreme Koi Member Rank = Adult Champion NickK-UK's Avatar
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    Quote Originally Posted by Jason Megson View Post
    Rs, you replied about the Yamato but not the top koi.

    How do you find the top koi, what is the waste like?

    Nickk, I would strongly urge you not to buy the Coppens, as so much of it is going to waste that it's costing more than the Medikoi, not only in £ but in possible health issues for the fish with all that rotting waste, it's putting additional stress on the filters too. Its not good food.

    I'll try a few more brands, but I'll buy much smaller amounts until I find one I'm happy with.

    Medikoi Health has "NO" waste at all from my fish, and amazing growth. I've never used any of there other products so can't comment on them.

    Jay
    I've used Medikoi Health, Probiotic and Wheatgerm over the last 7 years. Only this year I decided to try a 5Kg bag of JPD Yamato to reduce the cost after going through a 3Kg bag of probiotic. You learn from experience.. the fish eat it but their reaction is not like the probiotic.
    14000l, my mutts: Chargoi (2010), Doitsu (2022), Tancho (2022), Kujaku (2022), Hi Utusri (2022)

  14. #32
    Hi Nickk,

    I've realised it's a false economy. But I was doing 10kg of Medikoi a month and the fish really wanted more, they were always hungry.

  15. #33
    Senior Member Rank = Supreme Champion RS2OOO's Avatar
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    Quote Originally Posted by Jason Megson View Post
    Rs, you replied about the Yamato but not the top koi.

    How do you find the top koi, what is the waste like?


    Jay
    Jay,

    Didn't reply previously as I was waiting for a sunny day to really study the water colour and compare it to pre-Top Koi photos of the pond.

    Without a doubt the water has a dark yellowish brown tinge to it that it did not have last year.

    When you refer to waste I assume you mean fish poo accumulating on the bottom?

    Yes, there is vast amounts of poo on the bottom in the mornings and it gradually breaks up and clears during the day.

    Whether this is more waste than I've had with other foods I could not be certain because I now have more Koi and am feeding more, but it has always been relatively typical to have the pond littered with waste in the mornings regardless of the food being used.

    But when feeding Saki Growth large full sized slimy looking poo would get stuck in the drum waste outlet and I am not seeing that now. Instead I see large amounts of small powdery looking "granules" coming out of the drum, very rarely an entire poo.

    So I can say with confidence that the Top Koi waste breaks up into loads of smaller pieces and eventually turns to silt by the time it comes out of the drum. The Saki I fed last year on the other hand was generally coming out of the drum in one piece.

    Despite Top Koi being 52% protein I have no problems with protein bubbles in the pond, and never have with any food really. I don't run a skimmer either.

    As for the Koi, they like the Top Koi, there has definitely been some growth this year, and babies from last years spawning who have been fed Top Koi since December are pushing on 37 / 38cm.
    Whilst I don't know if that growth could have been achieved/improved by another food, it is with 100% certainty I can say Top Koi does contribute to growth and certainly does not restrict growth.

    Nobody really talks about Kusuri foods, or Lincolnshire Fish Health's own foods, so I wonder if anyone has thoughts on either of those.

    I use Kusuri multi-season throughout winter and have no issues with it at all.

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  17. #34
    Cheers RS,

    that was the reply I wanted.

    As I've said before, when feeding the Medikoi Health I get no poo at all from the fish, never see any hanging out of them, any on the bottom, floating, in the skimmer, or in the filters, so I deduce from this that it is all used within the fish.

    Going to try one more of these cheaper brands and see what I get, and if it's more of the same I'm going back to the Medikoi Health.

    Sorry Stephan01, I missed your reply. At £10/kg the food you recommended is more expensive than the Medikoi I know and love. I am trying to find a cheaper alternative as £80/month on fish food is crazy. But thanks for the reply.

    Jay

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  19. #35
    I found and enjoyed reading this article, I thought it explained things in an easy to understand way.

    Worth a read I think.

    https://pondinformer.com/best-koi-food/

    Enjoy,

    Jay

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  21. #36
    Senior Member Rank = Sansai pug's Avatar
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    Like you I'm tipping in 10kg of Medikoi Health a month plus treats and they would eat more but the summer months soon go and back to the winter food and they slow down now if I was heated I don't know what I would do no way would they be on 10kg a month 12 months of the year

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  23. #37
    Senior Member Rank = Mature Champion smartin's Avatar
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    i am using OSW mixed with Top Koi as their summer food, started mixing in Topkoi a few weeks ago, fish like it as they do OSW, have not seen a waste problem or excess waste but probably more than when i was using Medikoi probiotic but then i did not have so many fish so very difficult to say which produces more waste, i can say that i have had a tinge to my water with all three products...... i rate the Medikoi foods myself but not the associated costs hence why i use Coppens now.
    2200 gallons,infinity window,
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  25. #38
    Senior Member Rank = Hassai big h's Avatar
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    I only feed 2kg a month so will be most likely go back to Hikari gold

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  27. #39
    Hi Pug, you've hit the nail on the head, my pond is heated, so the Gremlins chow down on tons of the stuff all year round, although a little less in winter. What's your poo experience like, do you get any?

    Smartin, you've thrown a spanner in the works there, although I've not used probiotic, but then the whole point of that is it's more digestible.

    Its strange, if you read the ingredients list of Medikoi it doesn't sound anything special, not compared to some other foods, which then makes me disbelieve the ingredients on these cheaper foods. I used to be in the sports supplement industry, and it wasn't (don't know if it is now) regulated, so there were a huge amount that blatantly lied about their ingredients. I should imagine that the pet food industry has no regulation at all, so you can use absolute junk and claim it's good.

    In the supplement industry the best way to guarantee (that's a strong word) a product had what it claimed, was to buy foreign products as they had to be correct for customs, or so the theory went.

    Big H, you lucky devil. Lol.

    Jay

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  29. #40
    Senior Member Rank = Sansai pug's Avatar
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    Jason do you not give them a temp drop for a month or to so as they have a heated winter brake so to speak I know some people do I cant afford to heat but if I could I would still give them that brake and 4 - 5 months on the Nt wheatgerm over the winter

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