I've just received the other day 2 AFT geckos and the person who had them didn't take good care of them. The lady said that she had them for 2 years and has no more time for them. They were on sand and by the looks of all the poop and urates it looks like she didn't even bother to clean their tank for a LONG time. They had a lot of sheds covering their feet to the point I thought they were white socks. I guess she would spray them only when they started to shed. By the looks of the poop it look like they ate nothing but sand. She had a heating lamp for them but no UTH. I have no clue how she kept them alive for two years if that was the way she was keeping them. Well as soon as I got them home I put them in a humid box for a little while so it can help get off all the shed on their feet. I got it all off but it revealed that they have lost some toes due to their poor housing. I removed the sand and have them on paper towels at the moment. I put a humid hide in too and I don't have a UTH at the moment but I do plan on getting one soon. One is a male and the other is a female. They seem pretty healthy and they have fat regenerated tails. So what I'm here for is to ask is if they were housed like the way they were for 2 years with little humidity would this effect them in any way by rising the humidity so quickly? or should I rise it slowly?