It's ment to be 2 way, its ment to keep a steady 62% Humisyu in you4 box that your buds in,
If the bud was pretty wet then it want work, you can get tinny black themro metre on Amazon about the side of a match box , if you put that themro and that pack yiu have in a box you can see use the themrometre to see what the Humidity in the box is,, also you need to use the side pack for the amount of weed you have in the tub, is should say on the packet how many oz or grams that pack will do