Provide the exact band of rays within the UVB spectrum for maximum Vitamin D3 synthesis and calcium absorption. ReptiSun 5.0 UVB Bulbs supply an amazing 5.0% UVB and up to 30% UVA; outputs active UVB up to 12" from the bulb's surface. The bulb's UVA/UVB wavelength remains effective for 1 to 1-1/2 years.
Use with lizards to help prevent bone problems, as well as turtles and tortoises to improve shell growth. Increases appetite, activity and breeding and is beneficial to the psychological well-being of captive reptiles and amphibians.