When I was younger, and when I went to a swimming pool, I noticed how one side of the pool was 3 feet and the other end was 6 feet. I always thought the people who worked at the pool put something special in the water so some of the water would go to one side and a lot of water would go to the other side. Later in life I realized that the person to installed the pool dug one side of the pool deeper then the other!
A childhood belief about swimming pools

others believed things like this
- I believed that the Kreepy Crawlie used to clean our pool, would follow me around the pool and eat me. — Mother-of-2
- I used to think that a "pool shark" was an actual shark that lived in a swimming poolAnon
- I used to believe that your tap water came from the swimmimg pool.— Mimi
- When I was little, my dad told me that if you pee in the pool the water will turn purpleAnon
- I believed that the ladder on the back of a trailer/rv led up to a swimming pool.— marilese
- I used to believe that if you farted while swimming in the pool, it could propel you foward really fast.— Rick