Posted: Mon Oct 15, 2012 10:26 pm Re: Who has the Zoo Med Mini Domes?
About 4.5 inches. maybe 4.75 inches depending on how you measure, but 4.5 inches from the lip of the ceramic socket to the lip of the fixture measured perpendicularly.
5 inch RES male named Jordtim
Hardware: 75 gallon tank (21"H X 48"W X 18"D), FX5 filter with veipacray media setup, pool filter sand substrat, TurtleSafe halogen heat/UVA lamp and ReptiGlo 5.0 UVB lamp in ZooMed Dual Dome Fixture.