Vinegar and Water
1. Make a solution of vinegar, water, and peroxide in a 1:1:1 ratio in a container.
2. Now, hold the dog's snout so he doesn't move. Make sure that the grip is firm yet gentle.
3. Dip a cotton in the solution and clean the inside of the ear.
4. Then using a cotton swab clean the earwax buildup from around the ear.