I read your book from start to finish over two days! The information made me realize how much I had been neglecting my beautiful fish by not changing their water enough. I teach high school Aquatic Science in Sugar Land, Texas and built my 75-gallon African cichlid tank about a year ago. My students love to watch them, so I put it in the front of class for them to do observations of fish behavior. Your chapter on the tank hierarchy was spot on!! Our tank boss is this guy:
Please excuse the algae.
Maybe you can recommend your picks for a beginner freshwater tank video series for my classes!!