Costia - pp at 2ppm ?

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rivachaz
Sandbar shark
Sandbar shark
Posts: 2
Joined: Fri Aug 21, 2015 12:47 am

Costia - pp at 2ppm ?

Post by rivachaz »

Hi Guys,

Looking for some advice before treatment on a costia outbreak on a 2k gallon pond.

Starting to lose the will to live! Have tried all the usual, perhaps I have a strain of costia that is quite resilient?

I have noticed My koi flashing every few minutes, water check
Done and it's perfect according to the fresh api test kit.

Nitrates 0
Nitrites 0
Ph 7.6
Ammonia 0

50% water change using ST .
Filter clean out.

Have tried salt up to 0.8 for a week, didn't affect costia.
Also made up FMG and applied over a few sessions as per temperature.
Scrapes still showing fast moving costia at 100 and 400x

Scrapes on 6 fish and on areas of fin and scale damage show
What looks like very fast moving costia , which are hard to follow as they drift in and out of focus.

If I perform a 2ppm treatment , will I have to shut off the nexus feed?

Also after the 4 hours and neutralised with hp, when could the follow second dose up be applied?
Could the filter be treated at the same time?

I would have thought that bypassing the filter would have left costia inside the filter.

Any suggestions or experiences with a very stubborn costia outbreak would be
gadly appreciated before a treatment with 2ppm rather than the usual 1.5 ppm recommended by most.


Many thanks Andrew
rivachaz
Sandbar shark
Sandbar shark
Posts: 2
Joined: Fri Aug 21, 2015 12:47 am

Re: Costia - pp at 2ppm ?

Post by rivachaz »

update, have seen these in the pond before on a koi - but now not so sure what they are?

either way they havent been killed by salt or fmg treatments?

here is a video:

https://youtu.be/wz6TaHzEYNg
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