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Pages: [1]
Author Topic: I need help for my grow beds!
grand-bell-
ott
Newbie
Posts: 2
grand-bellott
Post I need help for my grow beds!
on: December 8, 2012, 01:51

What is the meaning of grow out pond ratio 2:1? I can imagine that for every 1000 lt of water I need 2 cubic meters of grow out beds? Shall I have the biggest fish density like that? Can I stock something like 60 kg of fish?

Also can I separate the tank so all the fish will not grow up at the same time and like that support the plants growth too?

[email protected]
Newbie
Posts: 6
e@rth
Post Re: I need help for my grow beds!
on: December 8, 2012, 14:19

The ratio is right as you have it, meaning for every 1000lt of water you need 2000lt of grow beds but 60 kg of fish is extreme number, its the maximum amount and risky! if something goes wrong u will end up with many kilos dead fish. Try less amount of fish to be more sure and calm lets say make the max 40.
I never separated my tank but I don’t think is something difficult to happen. Can tell u though from my experience that even after harvesting all fish the plants survive ok for some time, maybe with less growth ratio but no problem for 3 months I left them growing with no fish:), the water cycling through the system can use some nutrients that exist in well established systems after time.
Recently i added 35 fish and planted new grow beds at the same time, to say the truth was little bit stressed that the bacteria was not going to support the plants, but 3 weeks later everything was working perfect!! fishes and plants ok!

————- Go Green! ————

Wilmer
Newbie
Posts: 1
Wilmer
Post Re: I need help for my grow beds!
on: December 8, 2012, 18:07

Hey [email protected], what about the growth of your fish in these 3 weeks?

grand-bell-
ott
Newbie
Posts: 2
grand-bellott
Post Re: I need help for my grow beds!
on: December 9, 2012, 07:50

Thanks so much for your info! I understand now that I will need to change the pens according to the growth of the fish, and want to find solve so I can make high profits out of the story, u see I’m planning to sell the project to someone who wants to make business out of it.

[email protected]
Newbie
Posts: 6
e@rth
Post Re: I need help for my grow beds!
on: December 9, 2012, 17:04

To face the issue you have to use separate tank for the breeders to give fingerlings and then place them into your aquaponics system.
Hi Wilmer, it’s difficult for me to understand the exact growth of the fish, I see them everyday! I know though their food conversion is 1.5:1 and according to the feed i gave them the last 3 weeks i can say they didn’t have so big growth but they took 1 week of adjusting to the new environment and start to eat normally.

————- Go Green! ————

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