1 Gallon Blue Indicating Silica Gel Desiccant Replacement Beads - BLUE-3-5-1-GAL
Silica Gel can adsorb up to 40% of its weight in moisture and has the highest absorption capacity of any commercially used desiccant. This is Indicating Silica Gel will turn Blue to Pink when fully absorbed with moisture. Indicating Silica Gel can be reactivated by placing in an oven on an safe sheet for up to 3 hours at 250 degrees F.