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paulgee paulgee
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  • Posted on: 15/7/2015 7:52
Re: Outdoor Switch Box #1
when you say outside is it in a shed or conservatory etc.? With the DIY option it depends on your experience with mains electrics and where you are locating the switches, for instance if your switchboard is in an enclosure or shed then you could use other switch options that are a lot cheaper than outside waterproof boxes a couple of 4 or 3 way MK switch pattress may do the job depending on the amperage you are switching.


paulgee paulgee
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  • Posted on: 13/7/2015 13:48
Re: The Black Koi #2
Still may be a problem then eventually with the size of pond, one thing I do know is there were no new plants or anything put in the holding pond other than the koi and the one goldfish for over 12 months whilst the bigger pond was being built so they must be hybrids that is the only other logical explanation.

I am thinking of getting an air stone and compressor to increase the amount of small molecule air in the pond, I already have a large waterfall shifting about 1000 litres of water every few minutes which has sufficed, the agitation at the base of the waterfall is quite aggressive and the koi love hovering under it I have about 7 large koi now between 24? and 30?.

Obviously I would like to make their life as great as possible and I heard especially in deep ponds that an air stone is an asset and improves air efficiency to the lower parts of the pond is this true and what would you recommend? The pond is over 4 foot deep with a 2 foot shelf on one side.

Thanks for your help.

Quote:

Fishlady wrote:
Two possibilities: the young are goldfish/koi hybrids (most likely as goldfish and koi interbreed very easily) or alternatively if you added any plants to the pond that came from a stocked pond elsewhere it's possible that there were fertile goldfish eggs on them. 99.9% likely that this is just a simple goldfish/koi spawning and the babies are hybrids.

Common goldfish can reach 18 inches/10lbs in the right environment. Koi/Goldfish hybrids anywhere up to the max for a pure Koi.


paulgee paulgee
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  • Posted on: 13/7/2015 9:51
Re: The Black Koi #3
Well there you go; you learn something new every day gone from having one goldfish to loads of them, will have to do a bit more research on this.

My main reasoning for thinking they were koi to start with is i only had one goldfish i did not think this was possible.

I have read conflicting results of goldfish growing no bigger than 300mm is this true?

Thanks for your help.


paulgee paulgee
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  • Posted on: 7/7/2015 16:03
Re: The Black Koi #4
close up of one of the babes:

http://www.fishkeeping.co.uk/modules/ ... /photo.php?lid=5493&cid=3

he got in very close to find out what was going on, do goldfish get these colors?


paulgee paulgee
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  • Not too shy to talk
  • Posted on: 7/7/2015 15:39
Re: The Black Koi #5
Hi
in respect of the babies not saying you are wrong but I am trying to understand what has happened, about 10 of the baby fish are white with red/orange spots and growing very fast, the eggs were noticed after i moved 6 large Koi and one goldfish from the pond to their new home, i thought it takes two to tango is there any way a koi can fertilize goldfish or vice verse? if not then i have no idea what has happened here?

as for the large black fish in the other picture it is over a foot long closer to 14" are you saying that this is a goldfish too? it was mainly the large black fish I was interested in?

Also do goldfish change color from black when they are babies?

Thanks

Quote:

CB3100 wrote:
Sadly the babies are not koi they are goldfish. They are not worth anything really but you may be able to offer them for rehome on Facebook pages and such.



If you are correct then it is a bit of a relief actually as they won?t grow as big as the other 2 foot Koi in the pond consuming and stretching tons of resources from the pond itself, I also have friends that would take goldfish on but not so much koi.


paulgee paulgee
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  • Posted on: 7/7/2015 8:48
Re: The Black Koi #6
Hi

does anyone know the answer to my original question?


paulgee paulgee
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  • Posted on: 3/7/2015 12:57
Re: The Black Koi #7
this is the koi babies some black/slate, some half way changing color and others fully changed.

Quote:

CB3100 wrote:
Are you sure they are koi? Is there any goldfish in the pond. Do you have any pictures?

Cb3100


still can't upload here? photo here of babes:
http://www.fishkeeping.co.uk/modules/myalbum0/photo.php?lid=5491

Photo here of larger black koi that never changed?
http://www.fishkeeping.co.uk/modules/myalbum0/photo.php?lid=5492


paulgee paulgee
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  • Posted on: 22/6/2015 14:02
Re: How did they do that? 100 years ago. #8
Quote:

2010 wrote:
Try it, and see.


OK; I will :) another point I forgot is the baby koi were raised in there from fry over the last 18 months because as you know the bigger koi can be cannibals, the babies are now in the big pond being 2"+ and right the way through they have thrived well, that is partly why all the tests were done as i could not believe how stable or waterproof it really was being concrete.

Now I have a ton of fish that i will need to sell off or give away at some point.

Anyway; Thanks for your input on this 2010.

BTW: thanks for everyone's help so far :)

Regards
Paul


paulgee paulgee
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  • Posted on: 21/6/2015 23:51
Re: How did they do that? 100 years ago. #9
Why not a pond?

There are a few problems with that Post! It has been used as a pond for 70 years that I know of! The PH has remained consistent over the last 3 years along with other various tests so there is absolutely no impact whatsoever on the water condition.

actually it is the most stable and clear pond I have ever come across that is why I was so curios in the first place being concrete, it has a load of silt in it now primarily not being cleaned out for over 30 years and maybe from the roof but I think 30 years is good going without a clean out!

I think Your valid point in the post was the outlet pipe and I agree; the fact that it has never happened does not necessarily say that it will not but this is easily remedied with a grill of some description.

the new pond is huge in comparison and will cascade into the old pond there is a large circular water feature going in the old pond ?dipping pool? but some really small fish may find their way in there via the cascade if they do they will remain safe.

Could you explain exactly what is wrong with rain water?

The large pond receives gallons of rainwater over its surface in heavy falls and the piece of gutter that services this pond is off a small section of the roof, not all of it! So in a heavy fall it replaces about 10-15% maximum of the water in the dipping pool / Pond!

when testing there is no real radical difference to the pond at all with the % of rainwater.

Paul


Quote:

2010 wrote:
As I said earlier it will be interesting to see what it looks like when empty..............................


paulgee paulgee
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  • Posted on: 20/6/2015 18:39
The Black Koi #10
Mum and dad had 70 bay koi that have survived about 40% of these are still black and i already have around 7 black koi of varying sizes.

I am going to reach a point where i have to whittle them down for pond health as you can imagine these plus all the others consume a ton of food.

I would rather them go to a good home than be faced with any other alternitive, i am increasing the pond size by around 7000 ltrs but this will not be enough at some point.

How desirable are black Koi?



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