Nu-Clo 7 Day Tablets are manufactured with the most concentrated form of dry chlorine available today. They are consistent in size and slow dissolving in nature to allow you to reliably dose your pool once a week. These tablets contain cyanuric acid - a stabilizer that prevents ultra violet light from removing available chlorine from your pool.

7 Day Tablets allow you to easily maintain proper chlorine residuals and help you to effortlessly produce beautiful, clean sparkling water.

• Stabilized 3" Slow dissolving tablets. Dissolves within 5-7 days
• These tablets work best if used in a floating chlorine feeder or an automatic chlorinator.
• 1 tablet per 5,000 gallons weekly
• UV Stabilized - 24 hour chlorine residual
• Disinfects, kills algae and bacteria