Pool Day 10lb Three-Inch Chlorine Power Tabs - 99% Trichlor, UV-Protected, Slow-Dissolving Formula for Crystal Clear Safe Water

Triple-Action Formula: Sanitizes, clarifies, and prevents algae in one step with 99% Trichlor for pristine, safe swimming conditions. UV-Resistant: Enhanced with cyanuric acid for superior protection against the sun's rays, ensuring longer-lasting chlorine effectiveness.  Slow Release: Our tabs dissolve gradually, providing consistent chlorination and reducing the need for frequent adjustments. Safety First: Comes in a childproof bucket with individually wrapped tabs to minimize odors and contact risks. 20 tabs per bucket.  Safe to swim right away. 10lbs lasts a 20,000 gallon pool for 5+ weeks.