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  1. #21
    Extreme Koi Member Rank = Nanasai Fishplanetkoi's Avatar
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    You really need to get some Sodium Thiosulphate mate, and you don't then have to bother about the Chlorine.

    Whenever you do water changes or top ups etc, just put the required amount of St into the pond.

    Some people mix it into solution, and keep it to use like that or as I do, just put the required amount of crystals into a container and pour boiling water over them (has to be boiling to kill and bacteria on the crystals) and add to pond. You don't have to know how much water you have changed just put the full dose of the pond gallonage in. Even that hasn't got to be that accurate, as it wont harm the fish if a bit over.
    It will kill the chlorine almost instantly, and lots on here don't use any form of carbon purification, they just dose with ST, regularly if trickling, or when required if topping up.

    Any queries see Manky Sankey's website, it explains everything.

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  3. #22
    Senior Member Rank = Sansai GunHouseKoi's Avatar
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    OK, thanks , will look into that. The fish seem much happier today- they are eating and much more active.....Opinions please on fish behaviour, new pond......


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  5. #23
    Senior Member Rank = Mature Champion smartin's Avatar
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    Hi GHK - to confirm its a new pond, fish moved in 4 days ago from a holding vat, then treated with FMG 3 days ago for Trich do you have mature filters from an original set up ? its no surprise they are off colour, you need some air in there because of FMG treatment, plus if your filter media is all new you will have NPS too, best not to feed unless i have misunderstood something, all the best Steve.
    2200 gallons,infinity window,
    Evolve 4k combi,spindrifter,
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  6. #24
    Senior Member Rank = Grand Champion RoyLittle0's Avatar
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    I trickle in with a carbon filter but regularly use ST to back this up as carbon filters aren’t 100% it’s one of them things I’ve always got in the house


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    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick glass
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Heated from house boiler through a heat exchanger
    Idealseal MS290

    My Pond Build

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  8. #25
    Senior Member Rank = Sansai GunHouseKoi's Avatar
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    Quote Originally Posted by smartin View Post
    Hi GHK - to confirm its a new pond, fish moved in 4 days ago from a holding vat, then treated with FMG 3 days ago for Trich do you have mature filters from an original set up ? its no surprise they are off colour, you need some air in there because of FMG treatment, plus if your filter media is all new you will have NPS too, best not to feed unless i have misunderstood something, all the best Steve.
    Hi, yes, all correct, food amounts are very small BTW....there are 30 fish and they are getting only a third of a cupful of food, they did not start to eat until yesterday.......don’t I need some excretion to start the cycle off? I have used pond bombs etc on the new media......


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  10. #26
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by GunHouseKoi View Post
    Hi, yes, all correct, food amounts are very small BTW....there are 30 fish and they are getting only a third of a cupful of food, they did not start to eat until yesterday.......don’t I need some excretion to start the cycle off? I have used pond bombs etc on the new media......


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    Ghk my pond is a 5000 gallon pond.
    And it took 18 months to 2 years to mature.
    And I spent a fortune on starters bombs
    Gels. And it still took nearly 2 years to mature. NPS was a nightmare.the filter its self is only a small part of the bio. Your whole pond and pipe work has to mature.all my media was 10 years mature as well. Did nt make a difference. That's what convinced me about the pond and pipe work as time went on.I already had 30 fish from the old pond.
    A builder ripped my holding tank vat as he went by with a Barrow full of cement.
    So they had to go in the pond. No choice.
    If it had gone to plan I was going to introduce the fish. 3 at a time maybe 4. Over a month or so. Maybe six weeks.
    And build the parameters up slowly.
    Easier to control that way on feeding and water changes. To build your bio mass up in the filters. But with 30 fish going into the pond at once. And about 10 of them was over 70 to 80cm in size. It was a nightmare. I lost about 10 fish that I had for 21 years. All because of NPS.
    In my opinion 30 fish at once is far to many at once.
    So feed little . Get ammonia and nitrite spikes. Don t panic. As that is part of the process. When that happens. Stop feeding.
    10% water changes. Until it's back to zero.
    Then start feeding a little slowly again. More spikes. Then you will see nitrate. Which tells you it is maturing. And that's how you control it mate.
    It's a long process. And a lot of patience.
    Lots of help on here to win through.
    Fred



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  12. #27
    Senior Member Rank = Sansai GunHouseKoi's Avatar
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    Thanks Freddy, it is tricky as you get differing advice....! Bob from Icklesham koi who supplies and looks after my fish advised me just put the fish in and get it all going, BUT, as you say, carefully monitor the water parameters and manage these by changes etc, which is what I plan to do....like you, I don’t have a choice about keeping in the old pond and gradually adding them.

    By the way, 30 sounds a lot, but they are all pretty small, I only have 2 larger fish ( 40 - 50cm) 4 around 30 cm several approx 25cm and the rest are 15 - 20 cm size. Of the 30, 9 are shubunkins, goldfish and ghost carp. So hopefully, with the pond size, there is lots of headroom. While I wait for my second window, I have approx 9000 litres in, when that is installed, it should be 18000.

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  14. #28
    Senior Member Rank = Mature Champion smartin's Avatar
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    HI GHK,
    Sorry for not replying sooner, Fred has given sound advice, it is quite a frustrating time you will experience for the next year potentially, hopefully it will be sooner if the warmer months are favourable, i was in your situation this time last year, my pond went live in May / June 2019, i started off with 3 small fish month 1 and then went to 5 small fish month 2 to kick start filters and lots of EA Start up gel, litres of the stuff, also kept a bag of gel balls in an air dry boilie bag in the media so there was a constant flow of bacteria flowing through the bio section, lots of water changes as the ammonia and nitrite spiked during the first few months, sometimes 30% was needed to bring the parameters back to a suitable level, its all worth it in the end obviously when you do your water tests and the Ammonia is 0 your nitrites are 0 and the Nitrate is also low, your Ammonia will create Nitrite both are toxic, the cycle then creates another bi product which is your Nitrate.......NPS is a pain, good luck with it all..... Steve,
    2200 gallons,infinity window,
    Evolve 4k combi,spindrifter,
    2x20k pumps, BD,Skimmer,
    Shower, ASHP

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  16. #29
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by GunHouseKoi View Post
    Thanks Freddy, it is tricky as you get differing advice....! Bob from Icklesham koi who supplies and looks after my fish advised me just put the fish in and get it all going, BUT, as you say, carefully monitor the water parameters and manage these by changes etc, which is what I plan to do....like you, I don’t have a choice about keeping in the old pond and gradually adding them.

    By the way, 30 sounds a lot, but they are all pretty small, I only have 2 larger fish ( 40 - 50cm) 4 around 30 cm several approx 25cm and the rest are 15 - 20 cm size. Of the 30, 9 are shubunkins, goldfish and ghost carp. So hopefully, with the pond size, there is lots of headroom. While I wait for my second window, I have approx 9000 litres in, when that is installed, it should be 18000.
    he is right you have to get it going. but what I am getting at. is the less numbers to start with the easier it is to get under control. like steve just quoted. he had 3 to 5 fish to start with, and now and again was doing a 30%water change. if your doing a 50 to 60 % water change tour build up of maturity takes longer. like in my case your flushing mature water down the drain. because your diluting the water. to get the toxity of ammonia down or nitrite down
    if that makes sense lol.where as with less fish you its only 5 or 10%. so its easier.
    if you had no choice like myself. I can understand that. you will get help on here though mate. NPS is one of the main dangers of fish keeping. and personally. I don t think there is enough about it as a topic.
    the bio balls will help and pond starters. but some people think by adding. there an instant cure. and there not. I would add them though. anything helps. it just takes time
    fred

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  18. #30
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by freddyboy View Post
    he is right you have to get it going. but what I am getting at. is the less numbers to start with the easier it is to get under control. like steve just quoted. he had 3 to 5 fish to start with, and now and again was doing a 30%water change. if your doing a 50 to 60 % water change tour build up of maturity takes longer. like in my case your flushing mature water down the drain. because your diluting the water. to get the toxity of ammonia down or nitrite down
    if that makes sense lol.where as with less fish you its only 5 or 10%. so its easier.
    if you had no choice like myself. I can understand that. you will get help on here though mate. NPS is one of the main dangers of fish keeping. and personally. I don t think there is enough about it as a topic.
    the bio balls will help and pond starters. but some people think by adding. there an instant cure. and there not. I would add them though. anything helps. it just takes time
    fred
    forgot to add you will get differing advice lol. most peoples experiences are different. but most on here have been through a lot of things lol. and have learnt because of it. some times the hard way. but learnt all the same.
    your at the right place though for all the help you need

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