Learn How . Stop changing water. . Simple do it yourself installation. . Let natural biological methods clean water. . Reduce maintenance. D. Crosby Johnsonhas always been a naturalist. From an early age the outdoors, farms, Boy Scouts, Appalachian Trail, biology class were his favorite pastimes. In the 1960's he was breeding all kinds of small Amazon tetras including the Neon Tetra. While a business man during the 80's and 90's he created the ultimate fish laboratory, with built in display tanks. Breeding Congo Tetras and Angel Fish was a major pastime. Once, desperate to get a tank full of wild Black Ghosts to eat, he ground up a dozen fishing worms mixed with Pablum in Mrs. Johnson's kitchen blender.When it came to fish, nothing was safe The Ghosts ate Mrs. Johnson got a new blender. In addition to fish keeping; he is an avid gardener which, as you will see while reading this book has a great deal to do with perfecting this startling ultimate aquarium management system.