Hydrogen Peroxide USP 3% Topical Solution Antiseptic 473ml - First Aid Antiseptic, Sterilization Solution - Hydrogen Peroxide 3 Percent Skin Disinfectant and Mouthwash (1 Bottle x 16 oz) : Amazon.ca: Health & Personal Care
Petri Dish | Mouthwash vs. Hydrogen Peroxide - YouTube