Common TypesStandard (White): Non-indicating; does not change color when full.Indicating (Blue): Changes from blue to pink when saturated. Note: Blue beads often contain cobalt chloride, a potential carcinogen, and should not be used near food. Indicating (Orange): A safer alternative that changes from orange to dark green or colorless.
Practical Uses Electronics: Protects cameras, phones, and 3D printing filaments from humidity. Storage: Prevents tarnish on jewelry, rust on tools, and mildew on seasonal clothing. Documents: Keeps birth certificates, passports, and old photographs from sticking or discolouring. Footwear: Helps eliminate odors in gym shoes by removing moisture that breeds bacteria.