Tuesday, October 29th, 2019

Chloramines: The hidden cost associated with owning a chlorinated pool

By Saumya Garg All of us are familiar with the “chlorine” smell of a swimming pool. In reality, it is not the chlorine but the chloramine that we smell in the pool air. When free chlorine from the pool water combines with ammonia present in the sweat and other bodily fluids of swimmers, chloramines are 


Thursday, October 10th, 2019

Combating waterborne illnesses: Chlorine is not enough!

It is estimated that globally close to 85 million people visit a water park annually. According to Statista, as of 2019, there are about 1,158 water parks in the United States alone, of which 817 are Outdoor parks, 155 are indoor resorts, 111 are stand-alone indoor water parks and the remaining 75 are resorts with 


Thursday, August 15th, 2019

Utilization of UV as a preventative control for Legionella in hot water systems

By: Brian Grochowski One of the common places where Legionella can grow and multiply is within hot water systems such as domestic hot water heaters, commercial hot water storage tanks, etc. While hot water environments are typically unfavorable for most organisms, Legionella grows best within a temperature range of 77F-108F. Outside of that range, Legionella 


Wednesday, June 19th, 2019

Operating temperature effects on UV treatment of sucrose (and other sugar syrups)

By Brian Grochowski One of the most common but misunderstood applications for UV disinfection is for treating sugar syrups such as liquid sucrose. Sucrose is quite common in the beverage industry for use in flavored waters, carbonated beverages, teas, etc. While beverages made with sucrose syrups have some perceived consumer benefits compared to HFCS syrups, 


Monday, February 18th, 2019

Can automation in an aquatic facility be counterproductive?

By: Dr. John Psaroudis Within an aquatic facility, a UV disinfection system is traditionally installed as a stand-alone device. Its presence usually goes unnoticed as it treats countless gallons of water every day, ensuring chloramines are destroyed and water borne pathogens are inactivated. It also pays little attention to the other equipment surrounding it, that 


Tuesday, February 5th, 2019

Aquionics UV solution reduces energy and maintenance costs at City of Silverton wastewater treatment plant

UV disinfection technology treats one million gallons of wastewater per day for reuse in award-winning botanical garden irrigation project Ultraviolet (UV) disinfection systems from Aquionics are producing significant energy and maintenance savings for a wastewater treatment plant in the City of Silverton, Oregon. The facility collects all the residential, commercial and industrial wastewater produced by 


Wednesday, December 5th, 2018

Summer is over. What now for my UV system?

By: John Psaroudis Many operators of aquatics facilities are asking that question. With the summer over, what must I do to prepare my outdoor UV system for the winter months or indeed, what is required should my UV system be shut down for an extended period of time? There are several basic steps that should 


Friday, August 17th, 2018

Todays Technology Can Protect Shrimp From Harmful Disease

By: Brian Grochowski There are five viral pathogens of penaeid shrimp listed by the World Organization for Animal Health. IHHNV infectious hypodermal & hematopoietic necrosis virus YHV yellow head virus TSV Taura syndrome virus WSSV white spot syndrome virus IMNV infectious myonecrosis virus IHHNV also knowns as Penaeus stylirostris densovirus (PstDNV) was the first reported 


Wednesday, July 11th, 2018

Protecting Crustacean Farming From Viruses

By: Brian Grochowski Fish and seafood are becoming an increasingly significant part of our daily diet. It is estimated that 2.9 billion people obtain 20% of their protein from fish and seafood and a further 4.3 billion people obtain 15% of protein from this food source. The commercial fishing industry has responded to this demand, 


Tuesday, May 8th, 2018

Zebra and Quagga Mussel Control in the Power Industry

By Brian Grochowski Aquatic invasive species such as zebra and quagga mussels can be a nuisance to the power generation industry. For facilities that use surface water, where these mussels are prevalent, this nuisance can be quite costly. The biggest area of concern is where the adhesion of mussels to the intake water lines causes