Best basking bulb?

[Damicofam6]

The title says it all. I currently have a "75w exo terra daylight basking spot" bulb for Skittles cage and a "60w daytime incandescent heat" bulb for Mr. Freeze's cage but need to bring the temps up in Mr. Freezes cage because of the winter months.

 

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The title says it all. I currently have a "75w exo terra daylight basking spot" bulb for Skittles cage and a "60w daytime incandescent heat" bulb for Mr. Freeze's cage but need to bring the temps up in Mr. Freezes cage because of the winter months.

You live where I live. I have mine in the basement so the radiant temperature drops. I keep my lights the same and I used one of those small Vortex heaters during the winter months. To keep the ambient temperature