Science & Nature Does a ping pong ball stop water freezing? February 4, 2026 by Tanp | Leave a Comment A ping pong ball does not stop water from freezing. While some people believe that placing a ping pong ball in a water tank can prevent ice formation, this is a misconception. The ball may help break up ice formation on the surface by moving around, but it does not stop the water from freezing. […] Read more ยป