use 100 watt low uv for my 12 panthers adultes cages untile 1 year and it's so good. The lux is good and i use the uv-metre each month and is ok.
Sorry for my english i am a french canadian:o
When i make this set-up, i look all my cameleons for the stress. No stress colors and the behaviour has remained the same. But my set-up is like this juste a few days, if i see a litle bit of stress i put a withe plastic paper.
for my avatar picture, my clutch will be hatch in 1 or 2 months.