Clorox Pool&Spa XtraBlue 1in Chlorinating Tablets are multi-functional swimming pool chlorine tablets that kill harmful bacteria and unsightly algae while protecting surfaces from scale and corrosion. Each tablet dissolves slowly and contains stabilizer for a long lasting clean. Test your water weekly with the Clorox Pool app. Simply enter your test results or scan a Multi-Use Smart Strip to see your personalized recommendation for what your swimming pool needs, there's no guesswork. Apply these chlorine tabs along with any other Clorox Pool&Spa chemicals as recommended.
Clorox Pool&Spa XtraBlue 1" Chlorinating Tablets for Swimming Pools Kills bacteria Prevents corrosion, scale & stains Visable Long-lasting sunlight protection Cleans water and stops algae

Clorox Pool&Spa XtraBlue 1" Chlorinating Tablets for Swimming Pools:
Kills bacteria
Prevents corrosion, scale & stains
Long-lasting sunlight protection
Cleans water and stops algae

Clorox Pool&Spa XtraBlue 1" Chlorinating Tablets for Swimming Pools:
Kills bacteria
Prevents corrosion, scale & stains
Long-lasting sunlight protection
Cleans water and stops algae