Check the listing for details. Poolife NST Prime Tablets (9 lb). Condition: New. Listed at 72.99 USD. Poolife NST Prime Tablets (9lb Bucket)Part #22424 Poolife NST Prime Tablets - 9# Poolife NST Prime Tablets utilizes the proprietary slow dissolving Cal-Hypo technology to clean swimming pool water without adding any CYA. The extended release non-stabilized tablets last for days. For use in skimmers and with the Poolife NST Prime Feeder. Compatible with chlorine, salt chlorine generator, ozone and mineral systems. Active Ingredient: Calcium Hypochlorite Returns are not accepted on opened or used products unless covered by an RMA/RGAIf you have any questions, please feel free to contact Clearview Fireplace and PatioWe would be happy to help Disclaimer: I will follow all applicable federal and state laws and regulations regarding the sale of the pesticideI won’t accept bids from, sell to, or ship to states in which the pesticide is not registered as a general-use product