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Thread: New grow tank started at last.
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15-02-2019, 07:22 PM #1
New grow tank started at last.
At last I got around to starting the larger grow tank. Pretty soon my 1000L IBC won’t be large enough as my 100ish 1”fry are already 4-6” so I am in a rush. It is 3000L
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Last edited by Dudley; 15-02-2019 at 07:24 PM.
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15-02-2019, 07:53 PM #2
Looking good mate . And frim can't even clear a space for his haha
Sent from my SM-N950F using TapatalkFreddyboy the legend
"we are water keepers first"
Johnathan
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15-02-2019, 08:03 PM #3
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15-02-2019, 08:26 PM #4
My idea of a cost nothing filter.
I already have these 210L barrels.
Already have a nice immersion heater.
Already have the pipe and fittings.
Just had to get tank connectors and shut off valves.
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15-02-2019, 09:25 PM #5
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15-02-2019, 10:12 PM #6
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freddyboy, Frimley Koi keeper Thanked / Liked this Post
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16-02-2019, 01:52 PM #7
Oi you cheeky bugger. Have you seen the pictures on my thread showing the QT in the garage etc. OK so I've been very busy since it went in there with work and other things so haven't had time to do anything recently plus the weather has been very unhelpful too.
As soon as I saw this thread I knew what was coming lol
Anyway Dudley, good progress so far and keep up the good work.
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16-02-2019, 01:56 PM #8
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16-02-2019, 03:52 PM #9
New grow tank started at last.
I was really surprised how big my tank looked when I stood back from it, and I did a scale drawing first. But its only 3 times the size of my IBC so it needs to be at least this size.
Most of you guys have these fantastic koi ponds and tanks with super sophisticated filtration. So i think I need to justify why I am being so tight on budget for this Koi hobby.
I only wanted an ornamental natural type pond in the garden, so started digging a hole. Koi would be nice, so bought some fry, LOL, And then did the research and home study on Koi. I think in hindsight I wouldn't have done it, just got a few goldfish. But I like a challenge. All my construction is virtually out of what I have had left over from customer building jobs and whats just laying around on the farm.
The fry, with new tank syndrome then took precedent over continuing with the garden pond, also research into filtration for Koi ponds meant my original plan/design was unsuitable, the weather turned, so all garden pond work stopped. Ill attach a photo as an edit to this post in a moment of how the garden pond looks right now. Its horrid. Its not lined but you wouldn't know it, and if I had built a filter my 15 geese would have seeded it well, as they spent most of the winter on it every night even though I tried to fence them out. You will see I also have a field pond in the distance, again its not lined it all natural but the geese eat everything around it and stir up the clay from the bottom, thus it always looks orange, and why I wanted a nice ornamental pond nearer to the house. I do have another dew pond in a field well away from the geese, and that is 6m deep and about 15m dia, and where I will put my reject koi after I select a few for the garden pond and when they are big enough.
But I doubt the garden pond will be finished until end of summer. I cannot get my tractor of digger onto the ground until its dried out, or they chew up the ground too much. And when I do get it pumped out there will be a lot of work to do. To compound the problem I have to go to St'Thomas's in April to start the ball rolling to have my PFO (hole in heart closed), it caused me to have a embolism heart attack last April. Thus a grow/holding tank where I can keep my Koi growing on until possibly spring 2020 is really necessary. I am hoping it wont be all the 90-100 fish. My thought is I will be able to get my fry big enough that the rejects can go out in farm dew pond this summer.
Steve.Last edited by Dudley; 16-02-2019 at 04:02 PM.
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16-02-2019, 04:41 PM #10
Great reply Steve.
I know exactly what you mean.
Hope you get on OK at St Thomas's.
Good luck with everything and just remember to give yourself time to recover from the OP.
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16-02-2019, 08:59 PM #11
Hey Steve didn't know about all this,really hope all goes ok at St Thomas and can see what you are after.
You have some great pond there if you can keep the geese out.
The natural pond would look great there by your house and the left over koi could go in that big one with the island and stay there for the summer
Don't know if you suffer from otters or the like but they can wipe out your stock over night.
You going to put a liner in the q/t ?John
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Dudley, Frimley Koi keeper Thanked / Liked this Post
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16-02-2019, 09:07 PM #12
I have two light brown and two grey chags over 12 ins also one 24 ins brown chag plus a few others.
Wont be going for a while yet due to temps so probably March/April.
Wont hijack Dudleys thread so PM or later I will advertise.
Sorry for that Steve,don't think you will mind.John
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Dudley, Frimley Koi keeper Thanked / Liked this Post
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17-02-2019, 11:14 PM #13
Hi John
We don't have otters here, but I have seen the odd heron.
When I am finished with the garden pond build we will fence it from the field properly so geese wont be an issue then.
And yes I have an off cut of butyl liner I picked up. But I cannot decide if I need a bottom drain or not. I know a bottom drain is best, but in my case I wonder if it will work. I am only using a 3000Lp/h pump, and given the shape of the tank I am sure I would need two drains (its 3m long tank and only 1.5m wide). I am just thinking there will not be adequate pull to draw solids across tank floor to the drains so I may as well just vacuum the tank floor every other day as I do now with the IBC. It only takes 10 mins and it does a good job. Any experience with bottom drains on narrow tanks?
Steve.Last edited by Dudley; 17-02-2019 at 11:16 PM.
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Frimley Koi keeper Thanked / Liked this Post
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18-02-2019, 08:24 AM #14
Hi Steve,can see what you mean with the bottom drain,maybe put the pump on a flexi pipe so it can be moved round the bottom.
Thing with the liner is creases,poo getting trapped in there and waste food causing pollution.
Good size tank Steve.John
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Frimley Koi keeper, freddyboy Thanked / Liked this Post
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18-02-2019, 09:26 AM #15
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18-02-2019, 10:08 AM #16
You got your coat on Frim?
Morning Frim,hope your good on this fine morning.
As for a Liner,probably get my g/ sons toy boat in there.John
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Frimley Koi keeper, freddyboy Thanked / Liked this Post
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18-02-2019, 10:13 AM #17
Haha!!! Nice one John.
Not too bad thanks yourself?
Just been outside trying to sort out a few things that are pond related and then it started to rain!!!
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18-02-2019, 10:47 AM #18
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18-02-2019, 10:51 AM #19
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18-02-2019, 11:52 AM #20
As I am not a plumber I may be wrong here but from what I can see from your drawings Steve, if you pump water into the bottom of the immersion tank, as it fills up it will start to fill up the first barrel OK. As the first barrel starts to fill up the pressure required to keep filling it starts to rise and as a result fills the immersion tank right to the top OK. What is stopping the water from just being pumped straight out of the overflow on the top of the immersion tank? I realise gravity will help fill the two barrel but as water takes the path of least resistance surely it will just pump straight up the overflow and the same thing will happen with the first barrel as well as the second barrel fills past a certain point and the pressure required to pump the water into that builds up too much, won't it?
Basically you are pump feeding the immersion tank and then gravity feeding the two barrel and as the immersion tank isn't fully sealed due to the overflow you may need to rethink your set up slightly. I think that would work if it was gravity fed but then your overflows would be redundant?
Are you intending to use the immersion to heat the water? If so you may need to find a stat for it that has a very low setting or maybe fit a tank stat on the outside of it again with a very low temperature setting as all the stats I've seen that fit in immersion heaters are designed to give you hot water usually between 40 & 80 degrees C but you are going to need a maximum of low to mid 20s?
Does anyone else think the same about the system being pump fed and the overflows?
Every day feeding container?
Good shout, I'll have a look at Takazumi :)