Shocking raises the free chlorine (or non-chlorine oxidizer) level to break down combined chlorine, clear dull water, and recover after heavy swim loads. Always follow the product label for dose and wait times.
Before you shock
- Test free chlorine, pH, and alkalinity.
- Clear debris from the skimmer and pump basket.
- Run the pump so water circulates while the shock works.
Browse shock products or the full shop. Email [email protected] if you need help choosing chlorine vs salt-pool shock.