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Article: For good measure: paying attention to the ppm only and ignoring ORP may be putting your patrons at risk.(TECH TALK)(oxidation reduction potential research)
- Article from:
- Aquatics International
- Article date:
- May 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 Hanley-Wood, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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For the past 16 years, I have been traveling around the United States training operators. During that time, one thing has become abundantly clear: There's a lot of confusion about the relationship--and the difference between--oxidation reduction potential and parts per million.
Part of the problem is that many state health departments don't regulate ORE but they do regulate ppm. So operators tend to focus on ppm and forget about ORP. That's a mistake.
When it comes to maintaining healthy pool water, ORP is actually more important than ppm. What's more, relying on ppm readings alone can provide a false, and dangerous, sense of security.
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