Compressed .5lb (8 oz.) slow dissolving chlorine sticks with sanitizing power of 90% available chlorine and built-in chlorine stabilizer to maintain proper chlorine levels in sunlight. For use in automatic chlorinators, floaters and skimmers.

• Stabilized and Concentrated Chlorine Sticks for Sanitizing
• Kills Bacteria

99% Trichloro-s-triazinetrione
Available Chlorine: 90%

Available in various sizes.