I use one. Not expensive ($40 every 6 months) and it does no harm and throws nice light (my heat source emits no light) Run for 8-10 hours a day, depending on the season. Is only a 2% one.
I use UV light, again like some have stated it's to replicate natural light source, i find it also adds good lighting to the enclosure by giving it a good spread, if your going to use a fluorescent bulb then there's no harm in getting a UV bulb and if it does have benefits all the better... also helps in winter for heat management as it does radiate some warmth (logically speaking)... though there's not a lot of evidence saying that they need it personally i don't see any harm in having it. my stimmy reacted well to his way more active in the off hours of the night
Curious to know why the vet recomended using a UV light in the first place?
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