The length of time to keep your lights will depend on the type of aquarium you have running. For a freshwater tank with just fish there really is no set time. Anywhere from 1-12 hours per day will be fine. If the tank is in an area where it gets lots of indirect sunlight or simply is a bright room you can keep the lights on for less time. If it is a very dark room you can keep the lights on longer. This will also hold true for a fish only saltwater tank.
City of Progress. Lawrenceville. On behalf of the City of Lawrenceville and the good people of Lawrence County Illinois, Welcome to the City of Lawrenceville Website. Lawrence County is in the heart of a ten-state region and central to most of the major metropolitan areas of the midwest.
Collinsville, Illinois. Collinsville is a city located mainly in Madison County, and partially in St. Clair County, both in Illinois. As of the 2010 census, the city had a population of 25,579, an increase from 24,707 in 2000. Collinsville is approximately 12 miles from St. Louis, Missouri and is considered part of that city's Metro-East area.