Whirl-Pak® Sodium Thiosulfate Bags. Nasco-NASCO B01254WA

Specifically designed for sampling chlorinated water, the Whirl-Pak® Thio-Bag® is economical and convenient to use. This single service, sterilized, lightweight, unbreakable container is always ready for immediate use. Used by many states and EPA approved, this strong transparent bag holds a nontoxic, nonnutritive tablet containing 10 mg of active sodium Thiosulfate to neutralize chlorine at the time of collection. Each bag has a white write-on strip for easy labeling. Fill lines are on the bags at 100 mL on the 4oz bag and 300mL on the 18oz bag.