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  1. #1

    Salt for Koi pond

    hi everyone, i am after some advice for treating my 1,200 gallon koi pond with salt. please can you tell me how much salt i would need and what sort of salt and a good place to buy it.

    many thanks

    Pete



  2. #2
    Firstly, why are you intending to add salt?

    Since I don't use salt in the pond, I'll leave to others to say where they obtain salt at a good price but, w
    ith my usual caveat that I'm not in favour of adding salt to ponds as a permanent addition, the students on my water quality course need to be able to calculate dosages for all circumstances where salt might be used so I calculated this for them to use whatever measuring system they prefer.





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  4. #3
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    I do occasionally use salt, I think it has its place but never as a constant thing. Koi are fresh water fish.
    But if your reason is good then the next decision is what percentage to add.

    The most commonly used concentrations are 0.3% or 0.6%. If you were going to go to 0.6% I would do it in 2 or 3 stages rather that adding the whole whack in one go.
    It's much easier to do calculations if you use metric figures for volume, because 0.3% is 3kg salt in 1000 litres. 0.6% is 6kg salt in 1000 litres. Its a lot of salt

    I generally buy PVD salt in big 25kg bags. It's pretty impossible to get without an anti-caking agent.
    Some of the koi dealers and farms sell it, or you can pick it up from some bulk shops as people use it for water softening etc. Dishwasher salt is also suitable but more expensive as a rule. Don't use table salt as it can contain iodine. There are sellers on Amazon and Ebay selling PVD for approx £12 a bag.

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    Oh and whatever you do, make sure you dissolve it before you stick it in the pond. Koi can get terrible burns if the salt sinks to the bottom and they lie on it while it's dissolving.

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  8. #5
    Thanks both of you a couple of my fish have got so little scrapes on them and I heard that putting some salt in the water just wants me help them not thinking of doing it on a regular basis just wonder what you all think about adding salt for a one-off

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    If they are flashing against things. and getting knocks the some mucus scrapes would be a really good idea to try to find the root cause of that.
    Yes, salt will help with healing and at 0.6% some parasites are at a considerable disadvantage. But if you have something like flukes the salt won't touch them and the problem will continue.

    Some people are afraid to add salt because of subsequent problems diluting it out of the water so other treatments can be added. However personally I am happy to use fluke treatments when there is salt in the water, and if I found costia or similar I would use ICC (a Duncan Griffiths treatment that chemical factory sells) and that is recommended to be used with salt. There are no issues with PP and salt either so far as I am aware, although I rarely use PP other that to clean nets.

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  11. #7
    thanks no they are not flashing and I've done scrapes and all is clear and the water parameters are spot on just a couple of little injuries to 2 of the fish which I don't want to get infected so I've ordered up some salt from Amazon and will treat according to the chart that one of you kindly posted thanks for your help over this issue much appreciated I've never salted in 30 years of koi keeping but I think I will give it a one off many thanks presumably it would do no harm to the moving bed filtration many thanks Pete

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  13. #8
    Thanks again for all your advice what concentration do you think I should put the salt in at

  14. #9
    knocks the some mucus scrapes would be a really good idea to try to find the root cause of that.
    Yes, salt will help with healing and at 0.6% some parasites are at a considerable disadvantage. But if you have something like flukes the salt won't touch them and the problem will continue.

    Some people are afraid to add salt because of subsequent problems diluting it out of the water so other treatments can be added. However personally I am happy to use fluke treatments when there is salt in the water, and if I found costia or similar I would use ICC (a Duncan Griffiths treatment that chemical factory sells) and that is recommended to be used with salt. There are no issues with PP and salt either so far as I am aware, although I rarely use PP other that to clean nets.[/QUOTE] hi guys my sack of salt has just arrived can anyone just confirm how much I need to put in my 1200 gallon or 6000 litre pond don't want to miss sec a mistake on this one and should I put it all in at once or over several days many thanks Pete

  15. #10
    hi guys my sack of salt has just arrived can anyone just confirm how much I need to put in my 1200 gallon or 6000 litre pond don't want to miss sec a mistake on this one and should I put it all in at once or over several days many thanks Pete

  16. #11
    i am by no means a don on this , i use hamalaen pink salt which i buy cost effectively in 25kg sacks , roughly 80% of my 1000l tanks are change weekly , i add one cup of salt to each tank weekly , as said i am no expert

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    Quote Originally Posted by Koi2 View Post
    hi guys my sack of salt has just arrived can anyone just confirm how much I need to put in my 1200 gallon or 6000 litre pond don't want to miss sec a mistake on this one and should I put it all in at once or over several days many thanks Pete
    If you want 0.3% then its 3kg/1000 litre which is 18kg salt in your pond.
    To go to 0.6% you would need double, but ideally do in 2 stages to let them get used to it.

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  20. #13
    Excellent many thanks for the confirmation good to be sure

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  22. #14
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    I know it costs a few quid but a salt metre is a good investment if you want to use salt in the pond or for dips.
    Takes all the guesswork out and prevents mishaps.

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  24. #15
    Thanks yes I just ordered one off Amazon yesterday to be sure

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  26. #16
    Hi again everyone how long does the salt need to stay in the pond to do it's work

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    It depends what you are adding it for.
    With the regular water changes it can take quite some time to dilute out, so if I've salted my pond I generally allow it to diminish very gradually as water changes go in. Could take months to be 100% gone

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  29. #18
    Does adding salt to the water harm the beneficial bacteria in the moving bed filter

  30. #19
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    Quote Originally Posted by Koi2 View Post
    Does adding salt to the water harm the beneficial bacteria in the moving bed filter
    It may knock things back a bit, I think the theory is those strains that are salt tolerant will take up the slack from those that are not.

    Have you added salt yet?

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  32. #20
    I have and a water quality has never been worse never again

 

 
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