Both lightbulbs came out of the packaging with something encrusted. I don't know what exactly it could be. They work well and my tortoise enjoys the extra light but I am concerned that someone else may have used them or just old bulbs. I'm not sure how long they will last because of this. I also bought blue daytime running lights from the same company and they didn't have a shell on them. 4 stars so far but if there are any issues I will update my rating.
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