Humidity sensor suitable for condensing humidity (i.e in a bathroom)

I've set up an automation for some ventillation and need some kind of humidistat-like control, one of the rooms I need to use this in is a bathroom with a shower.

I use the SNZB-02 all over my house and these are great, but in the very high (e.g 100%) RH, they appear to have some kind of calibration drift. I'm guessing they're not designed for condensing humidity and the sensor is getting gunked up.

Is anyone familiar with this issue, and is there an alternative sensor that can cope with this (ideally Zigbee)?

Submitted by 79dfshsk

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