My favorite bulb is Lumichrome CRI 98 6500K. I hope to have a UVB reading on this bulb soon. I've used it for decades with excellent results. I've raised baby box turtles to five years old with no shell deformities or bone problems. I've also raised several other types of lizards including alligator lizards and collared lizards, again with no problems.

Other animals that thrive under Lumichrome bulbs include rough green snakes, anoles and desert iguanas. Lumichrome tried to get a foothold in the pet industry about 30 years ago but settled into the full-spectrum household bulb market. You can find Lumichrome bulbs at Budget Lighting (budgetlighting.com). Their web site is not easy to navigate and it's best to type "lumichrome" into the search box at the top of the home page. That will take you to the lumichrome section.

I just use an ordinary incandescent lamp bulb for heat. A 30-watt bulb in a ceiling attachment over the basking area provides all the heat needed. A fan at that end of the cage vents the heat from the bulb and prevents heat creep from warming the entire cage. Lizards can bask as long as they like and move away from the bulb to cooler areas until it's time to bask again.

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