Great course, my only suggestion is making a 1-2 page document. Containing Material list and links, instructions to build, fill, and then maintain the system.
Making Your Own Bioactive Potting Soil
This is a bonus video for my compost class that I am making public. It shows you how to make better potting soil than anything you can buy at any price.
https://www.youtube.com/watch?v=iR7LaMqjAUI
#grownostr #permaculture #compost
Discussion
We have that it is in the study guide and recommended reading doc in course materials on every lesson.