how long can a molt take?

iris burrowed around 3-4 days ago. wondering if i should stop/start doing something. how long should it take? what’s normal? do i keep putting food out? any advice would help!

iris burrowed around 3-4 days ago. wondering if i should stop/start doing something. how long should it take? what’s normal? do i keep putting food out? any advice would help!