well something like that

by bj , Friday, June 19, 2020, 20:55 (1618 days ago) @ ERSisk

I wonder if the composition is a little more complicated though.
I use a brand called "Evadry". The ones I got have a built in heater, just plug them in and in 10 hours or so they have dried themselves out. I have 2 of them that I rotate monthly.