Bleach (sodium hypochlorite) is an oxidizing agent. Its primary job is to kill bacteria, viruses, and mold, and to whiten fabrics. It is chemically designed to sanitize surfaces. It does not possess the enzymes or corrosive properties necessary to eat through organic matter like human waste, toilet paper, or "flushable" wipes—the three most common causes of toilet clogs.
When a toilet clogs, the immediate reaction is often to reach for the strongest chemical cleaner in the house. For many homeowners, that bright blue bottle of bleach seems like the ultimate weapon against grime and blockages. But before you pour a gallon of bleach into a backed-up bowl, you need to know the risks and the reality of its effectiveness. will bleach unclog a toilet