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  1. #21
    hi
    thanks
    I was only considering dips when i had sick fish but was unable to locate the source.
    yes i am now sure it is costia.
    will do another large water change today to try and reduce my salt to has low has i can am thinking it would be probably reduced to 0.75% and treat tonight with formalin and malachite.
    I have formalin at 30% and malachite at 1.5%
    in the past i have treated 3 times 5 days apart. you are saying treat 3 times 3 days apart ?
    I have orfe , goldfish and young fish has well.
    I was considering taking my 12 young fish out and treating them seperately in a QT with a weaker dose ? and treating my main pond with the stronger dose ?
    what are your views

  2. #22
    Senior Member Rank = Hassai big h's Avatar
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    I would treat 3 days apart. If you remove any fish it would be pointless treating with a reduced strength dose IMO..Maybe partially cover the pond as well so as to keep the dose potent.

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  4. #23
    Senior Member Rank = Jussai Djstiles999's Avatar
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    What is your salt level, you said reduce it to 0.75%? I’m a big fan of salt as a tonic or as a dip but I would treat a pond at around 0.6%, think balanced for osmosis on koi is 0.9%? Are you sure you haven’t put too much salt in and that’s causing issues?

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  6. #24
    hi
    its less than 0.1%

    at the max i put it up to 0.3% not 3%

    if that makes sense

    i think previously i should have said 0.075% not 0.75
    Last edited by climbalot2004; 08-08-2020 at 11:39 AM.

  7. #25
    hi
    i didn't realise have put that many different treatments in the pond since April for different things i forgot i had done a formalin malachite treatment 30% and 1.5%, 3 doses 5 days apart at the end of June/ beginning of July which just finished 3 weeks ago for chilodonella, but it obviously should have taken care of the costia too and it hasn't.
    will have to either do a stronger dose has Freddyboy suggests or a normal dose 3 days apart has Big H suggests.

  8. #26
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by climbalot2004 View Post
    hi
    i didn't realise have put that many different treatments in the pond since April for different things i forgot i had done a formalin malachite treatment 30% and 1.5%, 3 doses 5 days apart at the end of June/ beginning of July which just finished 3 weeks ago for chilodonella, but it obviously should have taken care of the costia too and it hasn't.
    will have to either do a stronger dose has Freddyboy suggests or a normal dose 3 days apart has Big H suggests.
    Great call from big h. In doing it at night

    Sent from my SM-G960F using Tapatalk

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  10. #27
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Quote Originally Posted by climbalot2004 View Post
    hi
    its less than 0.1%

    at the max i put it up to 0.3% not 3%

    if that makes sense


    i think previously i should have said 0.075% not 0.75

    That makes sense. I think I’ve seen something on here about how many water changes it takes to reduce salt levels so if you haven’t got a salt meter might be worth reading? Possibly if salt is high I think acriflavine will work with it on some parasites but either someone else can confirm or a bit of research for you?
    Last edited by Djstiles999; 08-08-2020 at 01:11 PM.

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  12. #28
    Senior Member Rank = Hassai big h's Avatar
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    And definately Uv off but you probably know that

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  14. #29
    hi yes
    acriflavin works better with salt
    its just formalin which is the big no no.
    but thanks have got a salt meter. i use salt in pond in spring if fish are sick and temp too low for chemicals. then i can use acriflavin when temp rises high enough but always have to take it out again before using formalin and malachite mix which is a pain.

  15. #30
    hi big h
    yes thanks
    have turned the UV off now just in case i forget later.
    am in process of doing water change to remove salt.
    i was thinking of putting in formalin and malachite mix in later when pond is 10%- 15% short and then my hose takes about 2 hours to bring it up to the 5000gal. then was thinking of dosing same on day 4 and 7 like you said which is only a day quicker than i normally do but i think its the right thing to do . i did my usual dose just a few weeks ago and it wasn't effective.
    Last edited by climbalot2004; 08-08-2020 at 01:30 PM.

  16. #31
    Senior Member Rank = Adult Champion Gazkoi's Avatar
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    Hi All,

    When mixed with MG, Formalin and salt is fine. I am not the right person to explain any scientific reasons for this, however I have used FMG when salt has been at .5% and the fish were fine - the parasites were not tho Formalin and salt without the MG is not the same tho....

    Cheers

    Gaz
    Hobby and business gone but when you’re hooked you’re hooked.

    Always happy to help!!

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  18. #32
    hi gaz
    am just in process of removing salt from water before dosing with fmg for costia.
    there is not a great deal of salt left in .08%. ie less than 0.1%
    are you saying i should be ok ?
    thanks

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  20. #33
    Senior Member Rank = Adult Champion Gazkoi's Avatar
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    Yes mate if that Reading is accurate.

    i did much stronger FMG than Kusuri bottle advised and the salt was .5%.
    Ultimately any actions taken are at owners risk but I would not hesitate at .1% with FMG

    cheers

    Gaz

    Quote Originally Posted by climbalot2004 View Post
    hi gaz
    am just in process of removing salt from water before dosing with fmg for costia.
    there is not a great deal of salt left in .08%. ie less than 0.1%
    are you saying i should be ok ?
    thanks
    Hobby and business gone but when you’re hooked you’re hooked.

    Always happy to help!!

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  22. #34
    hi Gaz
    thats great thanks. its a lot less than 0.1% now but thats a weight off my mind. something less to worry about.
    many thanks

    hi can i just ask you about your salt. i have always thought .1% was a calming effect. .2% was for recovery and .3% was to help sick fish fight off parasites.

    do you use salt higher than .3% and whats your experience been if you dont mind me asking
    Last edited by climbalot2004; 08-08-2020 at 07:46 PM.

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  24. #35
    Senior Member Rank = Adult Champion Gazkoi's Avatar
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    Hi mate, it really depends on what I am facing, sleeping sickness, Nitrite spike, stress, parasites etc... as to what (if any) salt levels I use in pond. Salt should always be a temporary measure whatever the dose. Personally I would not dose a pond above .6 and only once have I ever done that -more usually .3%

    Bathing for up to 10mins can be a lot stronger dose - raised scales etc... usually 3%

    Cheers

    Gaz
    Hobby and business gone but when you’re hooked you’re hooked.

    Always happy to help!!

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