Thanks for sharing your experience, it helps!
I think there are, or were some bulbs that emitted toxic fumes, but I get the impression that these bulbs were never intended for brooding. Like they were originally designed for different uses and sold at hardware stores. The hardened glass bulb...
Dang it, I'm struggling. I want to switch to a red bulb in my duck house, but I can't confirm if the brand and type are safe.
It is a 250W red colored infrared bulb made by Havells. It is "SPLATTERPROOF! Hardened borosilicate glass designed not to shatter if contacted by liquids"
They sell...