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Comment by Bob Vento on February 21, 2012 at 11:54am

Ya all are awesome and thanks for the info. My IBC will actuall be cut more 1/3 2/3 and not in half. I will make sure I have at least 12" growing bed is that enough. I am also planning on a continuous flood and drain method. I found a local aquaponic supplier near me, whoo hoo, where I can get the clay ball medium but it is a little expensive.

Comment by Dave & Yvonne Story on February 21, 2012 at 11:36am

aaron, 

next time, I would suggest you not move the female with eggs. Move all the other fish. this will have less stress on the female with eggs.. anyone agree or disagree???

Comment by Dave & Yvonne Story on February 21, 2012 at 11:34am

Jon,

I love seeing how everyone shares experiences. 

Thanks

Dave

Comment by Jon Parr on February 21, 2012 at 11:30am

Bob, you only need 1 male and 1 female and a love connection to supply all the fingerlings you'll ever need. Many folks start off with enough fry to fill their proposed system for the first year, and save back a breeding pair to overwinter inside and repopulate next season. Fingerlings are cheaper and much easier/cheaper to ship than adults, and thus a better buy, IMO. If you're going to use the IBC cut in half as both FT and GB, then a 12" deep GB will be 12 cu ft of media, and should support about 12 lbs of fish. I'd start with 25 tilapia, and start eating the big ones once they average 1/2 lb each.

Comment by Dave & Yvonne Story on February 21, 2012 at 11:27am

Welcome Bob,

The mix of male to female does not matter in an aquaponic system. The male to female mix is for breeding. 

Shrimp are being done at the UA CEAC aquaponic greenhouse under the raft. It looks promising. I have put crayfish in the bottom of my 300 gal container. these are all males, best I can tell.

You and your wife can decide what plants you want to grow.. red lettuce, bok choi, okra, and papaya are my best growers.

Comment by aaron gallagher on February 21, 2012 at 11:22am

Hey everyone! I have been reading all the posts fantastic stuff. I separated a female tilapia with eggs, from the group about eight days ago. Since then she hasn't done much and I haven't been able to see anything. How long is it from the time of egg fertilization to the time she releases the fry? My water is around 80 degrees. Any assistance is greatly appreciated, thanks.

 

Comment by Bob Vento on February 21, 2012 at 10:59am

Hello all,

I am a newbie and am just beginning to plan and learn about Aquaponics. I have figured out my system design (using a 275 gallon tote), growing media (clay balls) and water pump equipment (solar fountain pump [500 LPH] with battery backup).

The next thing is to learn about raising Tilapia and vegetables for personal (my wife and I) consumption. From what I have read I need a certain amount of females and males to be successful. Do I also want to get some fingerlings?

Has anyone heard of raising shrimp in Aquaponic System?

Thanks in advance for any suggestions,
Bob

Comment by Dave Lindstedt on February 19, 2012 at 9:23pm

Water in my tank has seem to stabalize at 88 dedgees F.  It is a 330 gallon self constructed tank.  I have it insulated with regular R-13 building insulation.  And have installed 3  300 watt water heaters running 24/7.

Comment by Sheri Schmeckpeper on February 13, 2012 at 5:50pm

Good info, Jon!
Dave L, we had three who were white for a while; 1 male & 2 females, but now the two females are competing for the nest and the male has darkened. I think he's gone into his man-cave, trying to avoid the fray. He'll come out when the females come to terms, I imagine. If there are enough competing to breed, they can take a few weeks figuring out the pecking order. You're not likely to spot the eggs; they're scooped up by the female seconds after they're released.

Comment by Jon Parr on February 13, 2012 at 5:23pm

My mossambicus (Hawaiian Golds) males get dark orange faces during breeding, and more contrasting checkerboarded scales on entire body.  My Salton Sea Tilapia change dramatically, males turning black with brilliant red fin margins and white/steel blue jaws.  Blue tilapia males get lighter than the females. Dave, the water will probably have to stabilize above the low 80's for a while to set the mood.  Males get in the mood first, and pester the females for a couple of weeks before they are ready.  Water quality can inhibit breeding as well.  A water change often changes the mood.

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