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Old 05-22-2012, 05:00 PM   #11
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Tilapia are pretty easy to keep at warm temperatures and high densities. They'll tolerate quite a bit of saline as well. Start off by underfeeding, as overfeeding will cause problems with both the fish and your water.

I'd recommend some sort of secondary bio-filter that's on standby should you need to clean the water pretty quickly. That will be easier than a complete water change.

Good luck.

 
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Old 05-22-2012, 05:15 PM   #12
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Subscribed because this looks very cool

 
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Old 11-16-2012, 08:47 AM   #13
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I've been reading about aquaponics for a couple years now. Someday, I hope to get a system going.

I have two thoughts right now for additions to a working system:

BSF: I started raising black soldier flies last year. It's a relatively simple system to build. Put in organic waste, the output is rich soil (roughly 5-10 % of original weight of trash), a compost tea (fertilizer for non-food plants), and larvae of the black soldier fly. Larvae exit the system on their own, and the output can be directed to the pond, to become instant live food for the fish. I love this-put in trash and you get soil, fertilizer, and food for animals.

yeast and spent grain: I've been researching if there is any benefit to using spent grain and yeast as a feed. I know these can be mixed together and dried for a feed for chickens. These may also be a nice source of protein for fish, and has been proven in the case of Tilapia to increase the size. I think spent grains would need to be finely ground and dried, then mixed with a yeast cake. A little more research would be required to estimate the percentage of protein and other nutrients, and this would be different depending on any one person's system. If you did indeed build this inside a greenhouse, then your already on the way to having a natural way to dry things, too.

I'm excited to see this thread and am sure the DIY culture of homebrewers can contribute quite a bit. Thanks to the OP for starting it.
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Old 11-16-2012, 08:49 AM   #14
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Info on BSF:

http://blacksoldierflyblog.com/

Use of yeast in tilapia feed:
http://www.thefishsite.com/articles/...meal-and-yeast
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Old 11-16-2012, 03:20 PM   #15
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I've been wanting to do this for a while.

 
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Old 12-29-2012, 04:12 AM   #16
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Any updates?
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Old 12-29-2012, 11:24 AM   #17
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And I thought the thread died...
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Old 12-29-2012, 12:59 PM   #18
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Unfortunately for us our money ran out for the project and we ran into temp control issues being outdoors. After speaking with an aquaponics farm near us it turns out that talipia thrive in warmer water and we would have had massive issues with temp control. I have not abandoned the idea but we are currently renting so building a permanent structure is out. We are planning on moving to our own home and the 1st thing on the build list is a full size, 4 season, aquaponics green house.
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Old 12-29-2012, 02:06 PM   #19
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Greenhouse would help. Vinyl-covered is actually reasonable, I think. Vents for summertime... Good for you, a man with a plan.

Do you have a brew room planned?
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Old 12-31-2012, 03:44 AM   #20
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Quote:
Originally Posted by WhoZiT View Post
Do you have a brew room planned?
Yes, I get the entire basement. All of it. She can do whatever she wants with the rest of the house but the basement is all mine and yes it will be my brew area, bar and man cave. I have even begun collecting things to start making sour beers at the new place. There will be no laundry in the basement either as I sold her on "Honey wouldn't it be nice to have same floor laundry?" and she agreed.

As for the greenhouse I will have to custom build it because it is going to be quite a bit more than a standard greenhouse. Living in Wisconsin I will need to insulate the north wall as it will get no sun ever. This affords me the opportunity to turn that into a chicken and pheasant coop (2 separate coops side by side). At that point I should end up with an inclosed system that provides some herbs, fruits, veggies, eggs, fish and pheasant meat on a continuous cycle. We will also have seasonal gardens for what does not grow in the greenhouse. Time will tell but we are VERY serious about this and will get this done.
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