14 Consecutive days of preference testing with 24 hr access to 2 bottles containing 0.05% saccharin and 0.05% Kool-aid, 1 bottle for grape, 1 for cherry. | 14 Consecutive days of preference testing with 24 hr access to 2 bottles containing 0.05% saccharin and 0.05% Kool-aid, 1 bottle for grape, 1 for cherry. |