We like this highly-rated and easy-to-use pool shock for several reasons. One, In The Swim Pool Shock is composed of calcium-hypochlorite (cal-hypo in industry lingo), so it’s a great start-up ...

"I think my initial reaction was a little bit of a shock and disbelief like many other people with no idea that … we were at this point with that pool," El-Hawary said. She said she has ...