HTH 42052W Swimming Pool Care 3" Chlorine Tabs Advanced, Individually Wrapped Tablets, 5lb and HTH 52036 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, (6 pack)

• BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy, convenient, and individually wrapped 3-inch tablet (HTH 42052W 3" Chlorine Tabs). Stays all clear for cannonballs. This fast-dissolving, convenient 4-in-1 HTH 52036 Shock Advanced formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity. HTH 42052W 3" Chlorine Tabs dissolve slowly and last up to one week while HTH 52036 Shock Advanced sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock. Compatible with all pool types including vinyl-lined pools and saltwater systems. For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly.