How to Build a Sustainable Grow Tower – Grow 40 plants in 4 Sq. F
Find out how to make an organic, sustainable, cheap, easy, and efficient grow tower. I built this for $6 and will grow 40 plants in 4
square feet. With the power of vermicomposting, this is a self fertilizing, and semi-self watering system. Great for patio gardeners or People tight on space.
