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Old 08-23-04, 08:43 AM   #11 (permalink)
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Join Date: Jun-2003
Location: Calgary, AB
Age: 42
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hhw is right. It's a highly contentious issue for monitor lizards, but for many others, there is PLENTY of proof. Take bearded dragons for example - one of the top causes of death for them is Metabolic Bone Disease, which is caused by a defficiency in vitamin D - something their bodies cannot absorb from their food without, yup, you guessed it - UV LIGHTING.

As for the plant bulbs, what is their UV output? Less than 5% UVB, scrap it.
- Ken LePage
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