new growth

Hi everyone, curious if my 1 year old eastern hermanns is developing some sort of shell rot/ fungus? I changed out the substrate that was old and damp and got a new UVB for the first time since this date last year. If so was wondering what would be the best treatment? He is very active, eats...

My tortoise is now about 10 months old. I have noticed some growth on it's back end, just beside the hind leg. I have a picture. Is this a sex organ that will tell me the sex of my tortoise?

(sorry for the blurry images, I had just sprayed her enclosure) Just checking that this is normal? She's had these white lines around her scutes for couple months now. I've read a lot of different opinions about it but I trust this forum best. She's a healthy active gal, in her "starter"...