Multi‑Purpose Shock (2693#) is a fast‑dissolving granular chlorine shock formulated to quickly restore clean, clear water in residential pools. Ideal for weekly maintenance or after heavy pool use, this shock treatment destroys bacteria, algae, and organic contaminants that cloud water and reduce sanitizer efficiency.

Its rapid‑acting formula helps maintain balanced water conditions and keeps your pool fresh, bright, and swimmer‑ready. Suitable for vinyl, fiberglass, and concrete pools.