Pool chlorine and shock
calcium hypochlorite · cal hypo · trichlor · chlorine tablets
Calcium hypochlorite is an oxidizer used to disinfect pools. It should be stored dry and away from reactive or combustible materials. [1]
CDC/ATSDR: store calcium hypochlorite dry, well ventilated and below 120°F (50°C), separated from acids, ammonia, amines and other chlorinating or oxidizing agents. [2]
Poison Control notes chlorine gas can form when chlorine pool tablets get wet or are stored somewhere humid. [3]
Pairs
- Pool chlorine + Pool acid
- One pool chlorine product + A different pool chlorine product
- Pool shock (calcium hypochlorite) + Glycol-based brake fluid, gasoline, oil
Guides
Sources
- OSHA — Hazard Information Bulletin: Calcium Hypochlorite retrieved 2026-10-27
- CDC / ATSDR — Calcium Hypochlorite/Sodium Hypochlorite: Medical Management Guidelines retrieved 2026-10-27
- National Capital Poison Center (Poison Control) — Chlorine gas retrieved 2026-10-27