Different Chlorine Types and Which is the Best with Chemistry Expert Bob Lowry

So, what exactly is chlorine, and which is the best type of chlorine for your pool? Chemistry expert Bob Lowry goes over each type of chlorine for you and its pros and cons. Bob Lowry is the author of over 23 books but this has to be one of his most relevant and shortest books coming in at just 19 pages thick. But it is packed with so many essentials on residential pool chemistry that you will want a copy to carry in your service truck. Bob Lowry has been in the industry for over 47 yea...