Book presents scientific information that hobbyists can use to set up and maintain successful planted freshwater aquaria. Book contains practical tips using a question-and-answer format in boxes scattered throughout the text. Hobbyists learn how to keep a healthy and inexpensive aquarium. Although the author prefers "low-tech" methods, she lays out the science that underlies all methods. The author shows that hobbyists can create thriving planted freshwater tanks WITHOUT CO2 injection, fertilizers, expensive lighting, and other high-tech gadgets. Vigorous plant growth can purify the water, protect fish, and reduce tank maintenance. Techniques are backed up by primary scientific references from the aquatic botany, limnology, and chemistry literature.