first anaconda , scales look weird

[ben_cincy]

So I just picked up my first green anaconda last week.

She was looking fine and but a few days ago I started noticing she has patches of scales that are turning white, no idea what its from. I am not sure when she shed last so not sure if that's might be the cause. I'm using retpichip as bedding and a pretty big liter box as her swimming area

Thanks