The Four Different Testing Methods and Which is Best with Bob Lowry

There are really only four water testing methods available today for your pool and spa. Reagent test kits, photometers, digital testers, and test strips. I go over the pros and cons of each with Bob Lowry. 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 th...