Started out lousy now very infomative and usefull.

This app is pretty usefull. Allows you to track you levels, has s decently sized collection of aquatic species and information on them. The nice this about this app is that they are constantly making improvements to it and its only getting better as time goes on. Worth the price tag alone for the ability to track levels of tank, and have a fish/invert catalog.

Jacksdogs about Aquarium Handbook Complete