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I'm experimenting with growing lettuce under lights in a float system. Basically it is a styrofoam (sp?) tray with 2"x2" cells. There is soil but the tray floats on water that has had a little miracle grow added. It is week three and so far so good.
If you are interested you can follow the progress here. http://www.kerrysgarden.us/?p=50
I have a couple of questions. Would it be possible to use something like rockwool? or another fibrous material that would wick the water up but allow more O2 around the roots? (The roots do grow down into the water also.) I have been meaning to add an aquarium pump to up the O2 in the water but as of yet haven't. Would circulating the water help keep the mosquitos out of it? Does a hydroponic system have to have the water circulating through it or can it be a standing in water situation like I am working with?
Any ideas or suggestions?
This message was edited Jul 18, 2005 11:16 AM
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