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Necessary in maintaining your pools steady source of chlorine treatment
it resists chlorine and common additives
Lanthanum based formula
and pH separate
inviting pool after every cycle
Jack's Magic After Shock Size:1 lb Necessary in maintaining your poolsJack's Magic After Shock is a great way to quickly reduce your chlorine levels after shocking your pool, minimizing your pool's downtime. Its fast dissolving granular formula quickly drops your chlorine level back down to safe levels, enabling you to avoid any measuring and handling messy liquid chlorine. Best of all, this product is made by Jack's Magic, an industry innovator in pool chemicals, allowing you to buy with confidence.
