Ingredients for Clorox Toilet Bowl Cleaner Tablets with Bleach, 2 ct

Active Ingredients:1-bromo-3-chloro-5,5-dimethylhydantoin, 1,3-dichloro-5,5-dimethylhydantoin, 1,3-dichloro-5-ethyl-5-methylhydantoin

Inactive Ingredients:Other Ingredients: 16.7%. total: 100.0%. available bromine 33.3%. available chlorine 37.7%.