They're very typically located in desiccant pouches to assist guard merchandise in shoeboxes, digicam instances, and electronic bins. Blue silica gel beads comply with food-grade safety requirements and may be used to preserve meals items which includes dried fruits, nuts, and snacks dry and free from moisture and humidity. Self – Indicating Blue Silica Gel will adsorb moisture in exactly the identical way as popular non-indicating (white) silica gel but will in reality indicate while they are turning into saturated by way of changing their shade from blue to pink as a result indicating that it has adsorbed moisture and wishes to get replaced.