Ammonia
glass cleaner · windex
Ammonia is in some glass and window cleaners, some paints, and urine. Never mix it with bleach. [1]
Poison Control describes ammonia's odor as like urine, sweat or decaying fish. [2]
Pairs
Guides
Sources
- Washington State Department of Health — Dangers of Mixing Bleach with Cleaners retrieved 2026-10-27
- National Capital Poison Center (Poison Control) — What's that smell? Identifying unknown fumes in your home retrieved 2026-10-27