If you are interested in growing marijuana under artificial light, this is the book for you. It contains all the necessary information for all types of growers. Here you will find useful and interesting information, whether you are a beginner or a veteran grower. This book is the fruit of more than twenty years of experience in cannabis cultivation, as well as collecting the experience of other experts around the world. In this book you will find the following: 

• All the necessary information about the cannabis plant and its needs
• How to set up a grow room to ensure the right conditions for a spectacular harvest
• Detailed information on the most advanced lighting, irrigation, ventilation and cultivation systems.
• How to grow week by week, from seed to harvest.
• Practical tips for an even better crop.
• Useful section on troubleshooting.

In addition, you will be able to learn about a series of techniques and methods on how to improve your crops, how to grow organically or how to grow autoflowering varieties, among many other topics. This update of Mr. José’s book is written in a clear and understandable way. If you love growing cannabis, you cannot miss this edition.