Julian Sprung

This book is for both knowledge of algae and its requirements for different types, and for preventing problematic algae in aquariums. The author does a good job describing the differences in algae and the requirements of those types, then in explaining what caused blooms in each. he follows through explaining how to change the aquarium conditions to get rid of a articular algae problem. There are good photos to reinforce the text. This index is good. The contents are organized well also.