• Slow-dissolving, 200 gram pucks offer 90% available chlorine for effective sanitizing.
• The pucks are also sun protected to extend chlorine in the pool.
• Added Algaecides to keep your water clear
• Clarifies Sanitizes water
• 85% Certified chlorine content
• For use in floaters, skimmers, feeders or automatic chlorinators.
• Destroy bacteria
• Product Dimensions ‏ : ‎ 20.32 x 24.13 x 25.4 cm; 6 Kilograms

HTH EXTRA Multi-Purpose Chlorinating Pucks is a multi-purpose product that sanitizes, clarifies, prevents algae and destroys other organic contaminants in your pool. This convenient and fast-acting formula can be used on all pool surfaces, is sun protected and provides a steady source of available chlorine. Compatible with chlorine, ozone and mineral systems. 85% Certified chlorine content Algaecide Destroy bacteria Protection against the sun Sanitizes water Clarifies water