Easy Indoor Hydroponic Lettuce
 

Want a convenient source of tasty, fresh and healthy salad greens? Using a variation of the methods described by B.A. Kratky in 2009, it is possible to grow a continuous supply of lettuce (and other leafy veggies) in your home year round. This method has a low startup cost and is easy to follow with little time, space or experience required. -

See more at: http://crdahl.com/lettuce/