I have a snow Honduran milksnake. I've had her since last August. She is getting these brown spots all over her, and I'm concerned as to whether it's scale rot. She's had them on her tail once before, but it went away when she shed. She looks like she's about to now, but I can't understand why she's having such a hard time shedding. I spray her cage once daily, but is that not enough? Do I need a humidifier? She has a wood chip substrate, 20 gal glass tank with screen, hide box, and water bowl. Lights are a 50 watt and a 5.0 UVB. Please help!