This is the one I got. I am a very sweaty person and the climate here is humid in the summer. It works well for me.
No my audiologist didn't recommend anything except waiting for another six-month to see if they gained the same amount of moisture. Here's one I've been looking at https://www.amazon.com/PerfectDry-Dehumidifier-Accessory-Ultraviolet-Amplifiers/dp/B096BMPS64
I live in northern Virginia. Summers are humid for a couple of months.