Vinyl liners, in particular, are vulnerable to damage from shock granules that may accumulate on the bottom of the pool. Every pool's chemical balance is different, and it may take a few test runs ...

Indeed, shocking the pool during this time ensures that the shock chemicals will work properly. Types of Swimming Pool Shock Pool shock comes in liquid, powder, and tablet forms.

Check pool chemical levels using water samples. Use this insight to manage the pool shock and chlorine levels. If you have a saltwater pool, be sure to also check salt levels. Remove leaves and ...