Greetings
Care Sheet for Indian Stars - https://tortoiseforum.org/threads/how-to-raise-a-healthy-star-tortoise.159167/
Care Sheet for Herrmans - https://tortoiseforum.org/threads/sticky-hermanns-tortoise-care-sheet-updated.101410/
- It states humidity should be o/a 80 %
Hope the care sheets help.
- It says humidity should be about 70%