This is a great book for the do it your selfer. It explains the basics of Hydropoincs as well as how to build multiple different system types. This completely revised, fourth edition of How-To Hydroponics by Keith Roberto, covers hydroponic gardening in great detail and includes hydroponics plans for building state of the art hydroponics systems from scratch. The paperback features crisp black and white photos and illustrations and has helped thousands get started with hydroponics. Since the first edition was printed over ten years ago, How-To Hydroponics has been a perennial bestseller

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