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PostPosted: Oct 24th, '15, 01:39 
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Location: Gympie
As much as I would rather be using "tilapia"
"jade perch" will have to do

planing on giving them ground up meat / bone mixture from bandsaws ,
this will help put iron / calcium into the system

and they will still be fed whatever vegetation grows that's not being used for human consumption

of course I would need to run a skimmer to help filter out fatty oils etc

I'd use crayfish but they are just a disaster to much cannibalism

I will Pm you my google earth coordinates if you have a good reason for needing to see the area ?


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PostPosted: Oct 27th, '15, 02:16 
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Location: Baird's village, st. george, Barbados,
This sounds like a system i may learn a thing or two from.


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PostPosted: Oct 28th, '15, 15:35 
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worst case I kill $1000 worth of fingerlings

tanks are ordered they will be translucent with built in bell siphon system but that's another story ...

siphon in middle with cone floor
or
on the wall with slanted floor
( for solids pickup )

I will still be using undergravel system to see if i can create an vegetation zone I am just changing it a bit to make sure no solids build up and keep the roots away from the bell siphon

then will build radial filter the same height as the tank ( to keep the exit pressure the same )

tanks are over 2m deep


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PostPosted: Oct 28th, '15, 21:14 
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Can you explain the under gravel filter in detail? Are you going to plant directly into the gravel and if so what plans are you use in? What's the size and flow rate of the tank? It sound like a pretty good idea depending on plants used.

I sometimes let water lettus grow root 3 feet long and then put them on a flood table and run 1in of water through it does a good job at removing suspended solids.


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PostPosted: Nov 1st, '15, 04:28 
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plants would just be your normal fish tank weeds in the gravel with a fish guard in place


how ever I have desiced on coned shaped under gravel design around the wall of my round tank
( about 1 foot zone at the base tapered towards the wall around halfway up the tank wall )
designed so solids will still float towards the centre of the tank to be extracted
downside is what to use to stop fish getting injured ...

I am not looking for massive fish densities I am mostly going for large tank volume for a more stable tank temperature
plus I will be running tanks quite low most of the time and raising water levels if I need to
( or attempting to spawn )


how ever I have now fallen in love with RFF it will make it quite easy for me to keep high solid removal filtration rate of the fish tank water and redirecting solids to the grow area


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PostPosted: Jul 6th, '16, 00:43 
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I'd use an external, high head pump, like

http://www.absolute-koi.com/subcat413.html

Hope that helps.


Sent from my SM-N910F using Tapatalk


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