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 Post subject: Catfishrok's System
PostPosted: Oct 21st, '10, 10:38 
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Hello guys and girls,
I am finnally taking the plunge after over a year of contemplation, my love of aquatic life and gardening are meeting in the middle.
My system will consist of 1*800ltr spa bath, 1*1000ltr and 1*600ltr tubs for the water, and 3 *200ltr bathtubs and 1 300ltr grow bed.
So thats 2400ltrs of water for fish and sump and 900ltrs of growbeds.

Planning on housing my turtle and many rainbow fish gudgeons and other small natives in the spa bath, there will be a 600ltr tub/sump under the spa that will have the pump in it, and maybe some yabbies. The water from the sump will pump up into the 1000ltr tank that will house some eatible fish(probably silver perch). The water will then overflow through pipes to the 4 growbeds. The water will flood and drain back into the spa and inturn back into the sump.

I have read that i should have twice as much volume in growbeds to water, will it still work like this ? how important is the 2:1 ratio and why?
I am also unsure on what growing media to use at this stage, any advise?
And is 1000ltrs enought to grow silver perch to eating size? If yes how many?

Heres a few pics of the materials and area
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 Post subject: Re: Catfishrok's System
PostPosted: Oct 21st, '10, 10:51 
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Welcome, Would put the IBC back in its cage, for support, to start with.

Push the IBC into the corner and then only have to cover/insulate the other 2 corners.

Bathtubs, would connect all the drains together using 50mm pvc and fit one external syphon :wave1:

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 Post subject: Re: Catfishrok's System
PostPosted: Oct 21st, '10, 11:09 
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Nice, will be interesting to see how all of those bits and pieces come together..... :wave1:

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 Post subject: Re: Catfishrok's System
PostPosted: Oct 21st, '10, 12:30 
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Catfishrok wrote:
Hello guys and girls,
I am finnally taking the plunge after over a year of contemplation, my love of aquatic life and gardening are meeting in the middle.
My system will consist of 1*800ltr spa bath, 1*1000ltr and 1*600ltr tubs for the water, and 3 *200ltr bathtubs and 1 300ltr grow bed.
So thats 2400ltrs of water for fish and sump and 900ltrs of growbeds.

Planning on housing my turtle and many rainbow fish gudgeons and other small natives in the spa bath, there will be a 600ltr tub/sump under the spa that will have the pump in it, and maybe some yabbies. The water from the sump will pump up into the 1000ltr tank that will house some eatible fish(probably silver perch). The water will then overflow through pipes to the 4 growbeds. The water will flood and drain back into the spa and inturn back into the sump.

I have read that i should have twice as much volume in growbeds to water, will it still work like this ? how important is the 2:1 ratio and why?
I am also unsure on what growing media to use at this stage, any advise?
And is 1000ltrs enought to grow silver perch to eating size? If yes how many?


If I have got this right you effectively have two sump, one with fish and one without and the pump will sit in the fishless sump :) The two sumps add up to 1,400 litres plus the 1000 litres of fish tank and you have 900 litres of grow beds.

All sounds good. The ratio helps too maximise the number of fish you can keep. You have to make sure you stock your fishtanks/sumps according to your filtration capacity. The guide is 2 or 3 kilos per 100 litres of filtration so in your case lets say 25kg of fish.

If you keep the spa bath down to say 5 kilos of turtles, gudgeons etc that leaves you 20 kilo for the IBC. That would be 30 or 40 fish and yes they will grow quite nicely :) 8) :thumbright: I have a few more than that in mine and they grow quite well :)

River pebbles, blue metal gravel etc are good, anything that is PH neutral. Aquaclay or Hydroton is easier to work with but expensive.

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 Post subject: Re: Catfishrok's System
PostPosted: Oct 21st, '10, 22:13 
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Thanx for the advise guys
I will keep updating as i go.
Chainsaw
what could i insulate with?, i hadn't thought about it before.
Fishfoder
The 1000ltr tub will house the silver perch and the 800ltr corner bath will house my collection of small native fish and my turtle.

The sump will be about 600ltrs and i am thinking of having yabbies in it. The water height will fluctuate in this tank only, I am hoping the yabbies can deal with it


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 Post subject: Re: Catfishrok's System
PostPosted: Oct 25th, '10, 20:38 
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Hello again
Done a bit more work thought I'd add some pics
Need to work out how to plumb the bath tubs, any tips?
Image
This is a before pic
Image
This is the most recent work done
Image
This one is my turtle who will live in the corner bath tub
Image
If u can understand this please feel free to critique

Cheers Aaron


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 Post subject: Re: Catfishrok's System
PostPosted: Oct 27th, '10, 07:44 
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What works really well is 2/3 of your rock (scoria, blue metal (some people have had pH problems with this!)) and then "top dress" with the clay. It's fantastic to work with, and thus far it hasn't mixed in with the scoria underneath.

Second piece of advice - if your bathtubs are pressed metal, line them with pond liner.


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 Post subject: Re: Catfishrok's System
PostPosted: Oct 27th, '10, 08:44 
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thanx for the advise

Is the liner 4 a) rust issues ? b) insulation/temp issues ? or c)bug issues?

Hoping to sort out the frames for the growbeds and the plumbing tommorrow, so ill add more pics soon.
Cheers Aaron


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