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  1. #1
    Member Rank = Nisai SteveW1's Avatar
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    New pond syndrome and Trichodina

    I have a new 4500 gallon pond with a drum and 200l fluid bed bio chamber. I put 6 x30cm Koi in from a dealer 7 days ago. First few days all good, but they then started flashing. Brand new pond and filter, ammonia 0 now, but currently going through the nitrite spike. Obviously new pond syndrome is stressing the fish and I am restricting food and keeping a close eye on the Nitrite. Scraped multiple fish and found one hooching in trich. My feeling is just wait for the nitrite to fall and the pond to fully cycle and things will settle. My understanding is that they are not that pathognic in the short term. Am I right in not treating?



  2. #2
    Senior Member Rank = Grand Champion samp09's Avatar
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    For me personally I would treat for the trich. Sure it may knock back the media a bit but you have put fish in 7 days ago, will be a lot worse if you leave it, the fish get worse and then have to knock it back in 3-4 weeks in my opinion. Once it's done it is done, I had a similar situation where I found a fluke on a scrape then had white spot this year. I changed my filter to moving bed with 95% new K+ then had to deal with all the parasites a month or so in but the fish are all sorted now and just trying to get rid of the last of the nitrite whilst getting a bit of growth!

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  4. #3
    Member Rank = Nisai SteveW1's Avatar
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    20240709_142511.jpg
    PP'd today, I was warned that because it was a new pond with very little organic material to be cautious with the dose. I have an ORP meter and it got to 450meV with less than 1.5mg/ml. Held it for 4hrs then neutralised with H2O2. All good! Flashing has just stopped dead, Water is still green same as it was pretreatment (just new pond syndrome I think). I used a funnel and a length of pipe to slowly add the PP. It worked a treat. Pour some in,then slowly elevate the pipe and it releases the PP solution out the bottom. Allows you to evenly distribute it at depth. I'm a bit gutted because I had just got down to zero nitrite and I think this will reset the clock.Quarantine tank is the next project!

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  6. #4
    Senior Member Rank = Grand Champion samp09's Avatar
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    Sounds like the treatment may have gone well then. I am not sure PP hits the filters as hard as its made out but I also think if media has matured it bounces back muck quicker than new media, just my opinions.

 

 

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