Never Change Your Fish Water Again!
Johnson, D. Crosby 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...