With clear information and helpful tips presented in a straightforward format, this handbook teaches marijuana growers how to cultivate the best pot in the world. Whether it’s medical (cannabis indica) or recreational marijuana (cannabis sativa), growing good, effective ganja can be a complicated task. This guide simplifies the steps and shows harvesters how to fully control the growing environment by carefully monitoring temperature and humidity levels; getting rid of any insects, moulds, or fungi; and using air filters and positive ventilation. By following the instructions included within, growers will learn to breed a variety of plants that can be easily ingested or smoked, keeping coughing to a minimum and yielding a soothing “body high.” [Note: this book contain a table!]