“To kill spores, an item must be immersed in a 2% aqueous solution of gluraraldehyde for” June 24, 2017 mfadmin Surgical Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review. “To kill spores, an item must be immersed in a 2% aqueous solution of gluraraldehyde for” 10 hours