Description:Detailed instruction advises on water temperature and chemistry, gravels, and the best equipment to help maintain a healthful environment for aquarium fish. Aquarium hobbyists improve their skills by studying the clearly captioned, step-by-step, full-color photos on every page of Tankmasters Books. These books. show—rather than merely tell—how to maintain colorful and interesting fish tanks, with every page literally filled with photos and other illustrations. All have detailed and instructive captions. Each book focuses on a different aspect of either freshwater or marine aquarium maintenance, and explains everything from fish and plant varieties to bubblers, filters, and other aquarium accessories. More than 200 illustrations in each book.