I thought I had another light for Bella...but the one that was on just went out....I live in Winslow AZ....there is no place to buy such a light so I have order it....how long can she go without it????? There is a heating pad under her container and I can move my small heater towards her...but there is UV etc.....I'm ordering now...but hoe long can she go without..I could of sworn I had another one put back but can't find it anywhere....