XtremeClear Value Pack 2 Pack 1" Chlorine Tabs, Long-Lasting Stabilized, Swimming Pool, Hot Tubs & Spa, Small Pool Sanitizer - Slow Dissolving Tablet, 3Lbs (1.5Lbs Each Bottle)

Versatile - The chlorine tabs are perfect for above-ground swimming pools, hot tubs, spa, hot spring pools, even for toilets. Chlorine Tabs dissolve slowly and last up to one weekLong-Lasting...