Volume 51 Number 11
by Susan B. Rivera, Ph.D., CPO Pages: 28-31
Swimming pools require disinfection for inactivation of waterborne microbial pathogens. read more
Squeaky Clean Spas without the Chemicals
by C.F. 'Chubb' Michaud, CWS-VI Pages: 32-34
It was Plato who first said, "Necessity is the Mother of Invention." Inventions come in three stages: discovery, development and evolution. read more
Ion Exchange Resin Housekeeping: Minimizing Leachable Compounds from Ion Exchange Resins
by Cliff Gilbert Pages: 36-38
One of the most common product concerns for users of ion exchange (IX) resin is the leaching of polymeric organic compounds from the resin itself. read more
Electronic Testing: Is It For You?
by Joe Sweazy Pages: 48-50
Electronic testing devices for pool and spa water analysis are prevalent these days. Some pool professionals are... read more
Pages: 42-43
The 2009 WQA Mid-Year Leadership Conference was held September 16-18 at the Hilton Chicago/Indian Lakes Resort in Bloomingdale, Illinois. read more
Iron In Your Water Supply
by Ed Maas Pages: 44-46
Iron is one of most troubling contaminants we deal with in traditional water treatment. read more
WQA Recertification Quiz
by Tanya Lubner Pages: 56-59
This quiz is based on Iron Treatment in Your Water Supply by Ed Maas, published in this issue. read more
by Denise M. Roberts Pages: 40-41 read more
Water Matters: Use of Alternate Filter Medias in Pool and Spa Filters
by Dave Purkiss Pages: 60 read more
On Tap: Please Don't Poop in the Pool!
by Kelly A. Reynolds, MSPH, Ph.D. Pages: 62-64 read more
Flowing Issues: Arsenic Removal for Public Water Systems Part 1
by Gary Battenberg Pages: 20-22 read more
The Basics of Water Chemistry: Acids and Bases
by Peter S. Cartwright, PE, CWS-VI Pages: 52-54 read more
2009 Technical Review Committee Insights: Kelly A. Reynolds, MSPH, Ph.D.
by Donald A. Mounce Pages: 58-59 read more
Guest Viewpoint The right message at the right time
by Vincent M. Kent, CWS-I, CI Pages: 6 read more