I'm looking at getting my feet wet with aquaponics, have started gathering water tanks,(12' dia x 54", open top), looking at several options for grow beds, already have greenhouse frames,( 1-30' x 96', 1- 44' x 144'), and abundance of spring water. I want to learn the art of aquaponics before diving into commerical production. I was in live production agriculture, and understand mechanical/ electrical sytems and want to incorporate this into my operation. I plan to be heavier in vegetable…