Some variants of silica gel contain a moisture-sensitive dye. One particular variant, based on cobalt chloride, is blue when ...

Silica dust exists in both inhalable and respirable forms, but it is respirable crystalline silica (RCS) – the smallest, most ...

One commenter suggested purchasing reusable dehumidifier desiccants: "Get these. Reusable Silica Gel. You can bake them to ...