What is Grannick’s Bitter Apple Spray? Grannick’s Bitter Apple Spray is a powerful yet safe taste deterrent for dogs. It was invented in the 1960s by pharmacist Irv Grannick and is a mixture of water, isopropanol 20%, bitter principles and extracts. Simply spray Grannick’s Bitter Apple on the problem area or around the house to discourage excessive chewing.

How Grannick’s Bitter Apple Works: Grannick’s Bitter Apple Spray discourages dogs from biting and chewing hot spots, bandages, injuries, furniture, and shoes! Dogs hate the way it tastes; Grannick’s works and keeps working because animals never acquire a taste for it.

Ingredients: Water, Isopropanol 20%, Bitter Principles and Extractives.