Pool RX 101001 6 Month Algaecide Blue Treats 7.5k-20k gallons + HTH 52036 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, (6 pack)

6 month algaecide eliminates all types of algae, reduces chemical demand, effective for up to 6 months and simplifies pool care (Pool RX 101001)Fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity (HTH 52036)Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock (HTH 52036)Compatible with all swimming pool types including vinyl-lined pools and saltwater systems (HTH 52036)Comes with 6 packs of HTH 52036 shock treatment