Comment

Moderator Comment by TCLynx on May 18, 2013 at 10:34am

Nestor, What is supporting the bottoms of those barrels?

Looks like you simply have them suspended between 1x lumber.

To support water let alone gravel, you need some heavy duty bracing under the barrels.  A few screws in the plastic holding it to the 1x lumber is not going to last.  HDPE plastic might be good stuff but it will rip if you expect a screw to support hundreds of pounds of gravel and water and plants.

There is a reason the barrel ponics manual says to make cradles for the barrels out of 2x lumber.

Comment by Nestor on May 17, 2013 at 9:41pm

hello everyone, i am new to this aquaponics thing, I have been doing research for about a month now and just finished building my system with some blue barrels. I haven't cycled it yet, i am very excited to start though.

Comment by George Johnson on May 6, 2013 at 6:51pm

In my research I found this place. http://www.tilapiadepot.com/aboutus.asp. I hope pasting urls is ok here.

Comment by Annika Wallace on May 6, 2013 at 4:35pm

Kent

I am about an hour from Orlando and have some tilapia I have different sizes.  what size are you looking for.  I dont have any real small ones.  Let me know.  Email is ladybug4ut1@yahoo.com/

Annika

Comment by Kent Evans on May 6, 2013 at 4:05pm

Greetings,

My system is close to cycling and I need some Fish real soon. Any one have 25 spare tilapia laying around that they would like to get rid of near Orlando FL. please,let me know.

Comment by Ned Berndt on April 16, 2013 at 6:24am

TC Lynx, Thanks for the links ()

I have been told by experienced growers here in SF that the real problem comes from the fact that whitefly transmit several viruses such as Tomato Yellow Leaf Curl, which I had serious problem with last year but not this year since I put up the insect screen.  Just one bite or nibble on a tomato plant by one whitefly can be enough...also using yellow sticky traps...offense and defense sort of.

Moderator Comment by TCLynx on April 16, 2013 at 5:15am

this site has a few beneficials for whitefly.

http://www.naturescontrol.com/whitefly.html

Comment by George Johnson on April 15, 2013 at 7:01am

Look into diatomaceous earth. Spray down the plants with water and dust them with it.

Comment by Ned Berndt on April 15, 2013 at 6:51am

Thanks for your response.  Actually, the Econet screening is fantastic stuff.  Made in Canada.  Several weeks ago, I noticed that I had a few extra ants...and therefore a few extra aphids on my lettuce...soooo...I bought a container of lady bugs and released them inside the insect screen protected greenhouse...three days no more aphids..BTW...what beneficials are effective on spiraling whitefly?   South Florida has a major infestation...I mean really bad.

Moderator Comment by TCLynx on April 14, 2013 at 4:23pm

Is the screen working to exclude the whitefly?  Or is it just excluding the beneficial insects that might help you against the whitefly infestation?

Anyway, shade % will depend on what you are growing or how much shade you need.  I've used 40% aluminet with good results before.  The reflective types of shade cloth with help reduce the heat while still allowing for more diffused light through but it looks like you might have some natural shade for at least part of the day.

I fear it might be difficult to get good air flow in there to cool things down with that fine screening.

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