Growing marijuana is not only a rewarding hobby but can offer a great business opportunity as well. Changing from outdoor growing to indoor growing, from hobby grower to professional will allow you to build a scalable production with better and bigger yields than you've ever imagined. Taking methods from traditional gardening as well as growing hydroponics will help you get started growing the right way. With professional equipment and streamlined workflows you can automate and optimize your production to operate smoothly, with minimal management, at scale. In this beginner's guide we will teach you how to grow weed professionally. This is a practical introduction that will guide you through starting out with a commercial production in 2018.What this book will teach you include: How to set up an indoor grow room or grow facilityHow to give your plants everything they need in terms of light, water, airflow and nutrientsHow to grow, harvest and dry your marijuanaThis book will give you the Experience of the beautiful evolution from seeds to full blown yield. Grow your production from a few plants in the back of your closet to a medium or large commercial production in a professionally designed grow room If taking your growing to the next level excites you, read on now!We love working with new growers and are happy to help and offer advice based on our experience setting up some of the largest grow operations in the country, like this one with over $30 million in annual revenue, and this one which will do twice that much when finished.Growing outdoor will leave your plants at the mercy of environmental circumstances and mother nature - for the better or for the worse. With an indoor hydroponic production on the other hand, you are in charge. Creating a grow room will allow you to influence all factors that limit or accelerate the growth of our plants, and master the art of maximize yields and return on your investment.From choosing the best grow lights to deep water culture, from fans to wall paint - we've got you covered. You need to understand that setting up the infrastructure for hydroponics might take more time and investment at the start but can produce yield levels otherwise impossible to reach.As with any business, start by reflecting on why you want to do this. What's in it for you? What are your reasons for getting started (financially, professionally and emotionally)?Research the market circumstances and legal considerations in the area you plan to operate. Your business will be very different depending on your goals: Do you want to grow medical marijuana or recreational? At what scale? And in what state?What will your team and setup look like? How many people will be involved? How much is the investment for setting up the grow room? How much are the monthly costs for water, electricity and other supplies? Can you grow in your house or do you need a commercial area? How will you be distributing your weed buds?If you are considering growing marijuana as a business - treat it like a business. Do your research beforehand. Identify your target customer and how you're going to reach them. Research the balance of supply and demand in your market -- your work will be much easier in a market that is supply constrained, so that may influence where you decide to set up your grow. What are the financial and legal risks and how can you manage these risks? Are you willing to take a legal risk or not? A business plan can help you structure your thoughts as well as forecast your cashflow.By the way: you do not have to have prior experience in growing weed to get started. What it will take is your genuine interest in taking good care of your plants and your ability to work hard, study hard and make changes on the way according to your learnings. It's not rocket science, but it needs dedication and passion. And you can do it, too. This book is a manual to growing marijuana hydroponically.