This new and updated 400+ pages book is a must-have and regarded one of the most definitive and essential beginners guide to quickly start growing vegetables, fruits & herbs for self-sufficiency of all books available at the market at the moment. It contains everything you need to understand and for you to be able to run Hydroponic systems. A complete and all inclusive handbook for step by step instructions on how to understand as well as create the best hydroponic system possible. This book is packed with history, knowledge, information, hydroponic systems, instructions, troubleshooting, problem solving, tips & advices and much more. The book contain chapters that deal with subjects like: – Urban agriculture – Organic farming – Hydroponic theory – Hydroponic history – Diagrams of Hydroponic systems – Raising seedlings – How to balance water to correct Ph value – Perfection of your use of Nutrient Solutions – What correct lighting to use for your Hydroponic system – How to choose Growing Media along with pictures – Troubleshooting; How to deal with common problems – The problem of Phosphorus deficiency – The importance of correct lighting – Dealing with Appropriate amount of water supply – Providing enough oxygen to your plants – How to control the temperature – Pesticides to look out for – Various dangers when dealing with a Hydroponic system – And much more… EXTRA BONUS: Forget papers and notepads when controlling your system – This book has been updated with over 200 extra pages of logbook, diary, notebook, crop journal templates for you to be able to systematically check and keep logs on how your plants develop as well as decisions and changes you make in your system over time. Get your copy of, The Great Book of Hydroponics today.