Fit snap on button of gel container to first scale(hole) of the handle. Remove the cap, press the tip of the gel container against the good to the flat surface of the toilet bowl inside. While pressed to the toilet bowl, while pushing strongly into the hole of the handle button, until it enters the next scale (hole), and push towards the toilet bowl handle. When you release the gel container from the toilet , gel for 1 time arrives. After that, as the toilet for fragrance, it is OK just to flush the toilet.