175w? That's pretty hot.. I think. Is it a baby or adult? Either way that is prob. too hot. Try a 50 or 75. I don't use MV bulbs so im not 100% sure. Maybe someone else will post a reply. I personally use Zoomed basking spot lights. It works fine for me.
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1.0.0 arg. b/w tegu
1.1.0 white's tree frog- popeye, jack
0.1.0 southern painted turtle- ms.tortle
0.1.0 crested gecko- crimson
1.0.0 pinto hedgehog- dante