| Clue | Source | Date |
|---|---|---|
| Content of many "Do Not Eat" packets | The Atlantic | 17 May 2026 |
| Contents of a packet that says "do not eat" on it | ||
| Substance in a pouch used to absorb moisture (6,3) | ||
| Common drying agent in packaging (see letters 6 to 8 in this answer) | Universal | 31 Dec 2020 |
| Drying agent -- all but illegal -- is manufactured without copyright | The Telegraph Toughie | 20 Nov 2019 |
| Common desiccant | ||
| Absorbent component of some cat litter |