Sanitize, clarify and protect your swimming pool against algae with one easy and convenient tab.

Sanitizer, clarifier and algaecide
Use in floater, feeder or skimmer basket
Tabs last up to 1 week

Clear Blue Water
This advanced formula sanitizes, clarifies and kills algae for beautiful, clean and clear water all season.

Slow dissolving, long lasting
Sun protected for longer chlorine life, HTH® 3” Chlorine Tabs Advanced dissolve slowly and last up to one week.

Compatible with all pools
This product is great for all pool types including vinyl-lined pools and salt water systems.

You’re all clear with HTH®
For best results, use HTH® 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.