My Lucy axolotl has red spots I need all the help I can get

[Nicholas d]

My Lucy axolotl whom is 8 month old. Has had small red dots on her skin now for a week or two now. I took her to the vet twice they said they don’t really know other than it’s definitely Not red leg whew. He eats fine and seems happy. he’s in a 33 long with sand temp 60-63 ph 7.6
I’m trying to figure this out so I feel safe to give him a friend