Add drinking water to the minimum water line (to ensure the integrity of the ice ball).
Slowly Put the Silicone Mold into the Ice Cup.
Freezeing for T6+ Hours.
Take Out the Silicone Mold.
Make Silicone Mold at Room Temperature for about 2 Minutes (to Auto Remove the Frost Formed on the Surface of the Ice Ball).
Separate the Silicone Mold to Obtain a Perfect Ice Ball.