A bleach alternative in effervescent tablet form. User friendly, stable, sustainable, simple and smells better than bleach. Hospital disinfectant. Effective against a broad range of microorganisms including: C. difficile spores, hepatitis b, Norovirus and Canine parvovirus. Single dose tablet delivers accurate strength solution every time, eliminating measure and pour guesswork. Will not stain clothing like bleach. Will not harm floor finishes. Does not leave surface residue. 13.1 g per tablet, 4 tablets makes 1 gallon.