Is There Any Difference Between Powder and Liquid Chlorine?

From Swim University

Many pool owners when they are shopping for chlorine are overwhelmed by the choices.  Gazing at the vast chlorine aisle at the store, the different chemical options are enough to make even the seasoned pool owner's head spin. In this post from Matt Giovanisci of Swim University, the mystery between these main two forms of chlorine is explained and debunked, making the choice a very simple one.

Here is an excerpt from the post: