I need a little heat in my coop to keep my galvanized waterer from freezing. As apposed to roasting my girls with a 250 watt red heat lamp, or blinding them with a 100 watt soft white bulb all night (after all, who wants to sleep with the lights on) I have a few 60 watt black light bulbs I bought for Halloween a few years ago. They get plenty hot, and in theory would both use less power and not put off much light. But I have no idea what spectrum poultry can see, or what affect it would have on them. But I'm sure it would make my Speckled Sussex look cool
All opinions are welcome
