Probiotic foods and supplements have been helping humans improve their gut health, immunity from disease, allergy control, nutrient absorption, and even brain health and mental health. In fact, beneficial bacteria and other microbes are REQUIRED for the human body to function properly. Recently, scientists have been studying the roles beneficial bacterial and fungal creatures play in the plants in your garden and grow room. 

Learn how to make the simplest (and cheapest) DIY bucket hydroponic system. The Kratky Method requires no pumps or electricity, and it's low-maintenance and highly portable.