Tortoise UVB and Heat Lamp: Which Mega-Ray Bulb, and How Far Above the Shell
Sulcata, leopard, Russian, Hermann’s and red-footed tortoises: which Mega-Ray heat + UVB bulb, how far above the shell, and the table and fixture rules.
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Do Leopard Geckos Need UVB? (And What Heat Lamp They Actually Need)
Leopard geckos can live without UVB but do better with a little. The Mega-Ray 70W heat + UVB bulb, how far above the gecko, and when it’s not a fit.
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Mercury Vapor Bulbs for Reptiles: How They Work, Which Wattage, and How Far Away
How a self-ballasted mercury vapor bulb makes heat and UVB from one socket, which Mega-Ray wattage suits your species, and the distance that decides whether it works.
