The build up of organic contamination in swimming pools and spas has significant effects on water quality, air quality and chemical usage, all of which makes maintaining a healthy and safe water environment very difficult. As organic contaminants are introduced into the pool water by swimmers and other sources, organic contamination accumulates in the filter media thereby continually increasing the overall organic load of the pool. This accumulation of surface-bound organic contamination results in increased backwashing frequency, reduced water quality, increased chemical and water usage, and increased production of disinfection byproducts (DBP). Swimmers are exposed to these toxic DBP by being in contact with the water and by inhalation from the surrounding air and it is now well established that many DBP have adverse health effects on swimmers. The agitated water found in spas and pools with water features can actually increase the accumulation of DBP in the air.
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By: Jess Sadler, ISI Water Chemistries
30 Day Review:
Throughout the past month, ISI Water Chemistries has been working with a large plastics manufacturer to improve water treatment in their cooling system, including the B11 Chiller Cooling Tower, and the B11 Chilled Water. Already, drastic improvements have been made in the cooling tower water, including significant decreases in dissolved metals, and large changes in turbidity and improved clarity. Improvements, and the important future steps to further optimize the cooling tower water treatment program are highlighted in the document below.
Chilled water treatment has shown marked improvement as well, including drops in dissolved metals, and turbidity changes. More time is still needed however, to identify the best course of action and truly understand the ideal way to treat this system. Advancements in treatment, and future plans for this system are outlined in the document below.
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Do you know how Creative Water Solutions got started? The story may be familiar to some but there also may be some interesting new information for you to share with your clients.
It all started on an airplane. Or rather, a magazine article read on an airplane by Dr. David Knighton, Co-founder of Creative Water Solutions. David was reading an article in Atlantic Monthly about Sphagnum moss being used to treat soldiers’ wounds in WWI. It specifically stated that the soldier’s wounds that were being treated with Sphagnum moss were healing much faster. Given his profession as a doctor, he theorized that there must be antimicrobial properties to the moss.
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The 2019 World Aquatic Health Conference was held in Williamsburg, VA on October 16-18 and it continues to be the premier science and education conference of the aquatic industry. My presentation on “Health Effects of Disinfection Byproducts (DBP) & Strategies to Reduce Exposure” was just one of many talks about disinfection byproducts in recreational water and the surrounding air. Again this year, there were numerous presentations about the importance of maintaining water and air quality. Another important topic at the conference was the control of recreational water illness’ (RWI) such as cryptosporidium and legionella.
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By: Biogen Staff
>Read article on Biogen website
- Moss cleans towers and removes scale and corrosion, projected to save nearly 1.5 million gallons of water annually
- Projected to reduce chemical use by approximately 6,000 pounds
- Opportunity to scale results at other Biogen facilities
Seventy-five hundred pounds of chemicals and millions of gallons of water annually. That’s what it took to keep the cooling towers at our Research Triangle Park (RTP) facilities clear of scale (mineral buildup), corrosion and bacteria.
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By: Jess Sadler, ISI Water Chemistries
ProMoss™ was added to the system 8 Nov 2018. An initial spike in iron occurred and filters were changed frequently. This was a result of existing iron deposits and organic contamination being liberated and put into suspension. The system was flushed for two weeks which is represented by the large reduction in iron levels from early to mid-December. Iron levels continue to trend down.
The water cleared up with reduced turbidity. Foaming, likely caused by organic contamination, has been nearly eliminated and total hardness continues to decrease withProMoss™ treatment.
Used bags of ProMoss™ show the iron that has been absorbed from the loop water.
By: Fred Shurtz, President, Precision Chemical, Boonville, IN
Background: The first cooling tower we beganProMoss™ treatment with was at a tubing rolling mill in Indiana that had dirty water returning to a sump pit and out to the cooling tower. They had some issues getting water to the controller and they had not been blowing down the tower for the past 3 months (not our fault, but the customer has not fixed the issue).
Results: We began usingProMoss™ (and no other chemicals) at the end of September. After two months, the water was completely clear, yet the conductivity is 5,500 mmhos. As of the end of January, they still did not have any blow down on this system and our testing on January 29 had the ATP at 60 RLU and the water looks great.
In January, we began treating the mill’s other tower and their corporate team was so impressed with the results that they had us survey another plant in Kentucky in early February.
>Read December Newsletter:
By: Rick Gallant, Aquatech of Florida, St Petersburg, FL.
System History
200 ton cooling tower treated conventionally for over 20 years. No chiller or heat exchangers. Cooling water distributed to individual package units throughout 14 story building. 6″ tower pipe branches off to 2″ risers and then reduces to 1/2″ condenser lines throughout building. Continual flow problems at ends of system condensers. Site base personnel continually chemically cleaning condensers at end of system’s tower water supply. Put filming amine on line in Feb 2018. Added ProMoss™ to program in Sept. 2018.
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“Thank you for this great product.”
Mike Bromley, Water Wis if America, New York, recently shared an email he received from the environmental engineer working at a Fortune 500 company he and Steve Chewning work cooperatively to provide ProMoss™ for their cooling towers and other water loops. Here are the details:
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Interview of Mike O’ Connor – Chief Engineer – Buildings and Maintenance
>Read December Newsletter:
Macalester College has been treating a 400,000 gallon competition pool with PoolMoss® Pro since June 2010. They were one of the first commercial facilities to adopt The Moss™ and enjoy the benefits of water treatment, the way nature intended!
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