Due to the higher bather loads associated with commercial pools, many salt chlorine manufacturers suggest the average outdoor commercial pool will require more than twice the chlorine as a residential swimming pool of the same volume.
http://www.poolspas.ca/trade/features/commercial-pool-sanitation/print/
Despite some long-held beliefs, a hot tub is not simply a small pool. There are major differences between the chemistry of these aquatic environments that are unique enough to warrant a separate discussion.
Understanding the differences between pool and hot tub water quality
How do you know your lifeguards are effectively scanning the water and are seeing what you’re seeing? The aquatics industry continues to refine the scan to assist the lifeguard in remaining vigilant during their scanning sessions, and to verify that the lifeguard is seeing important details in both the surface water and bottom water.
http://http://www.aquaticsintl.com/lifeguards/in-lifeguarding-scanning-isnt-always-seeing_o
Recreational water illnesses (RWIs) are always a hot topic of discussion at the end of summer when higher bather loads at commercial aquatic facilities force filtration systems to work overtime to keep pool water clean and clear. Unfortunately, there are always outbreaks—some bigger than others, which everyone hears about via mainstream media. This article is not going to discuss the graphic descriptors of these microscopic invaders, but rather look at the methods for destroying and keeping these bugs out of pools.Follow link for full article.
http://www.poolspas.ca/general/avoiding-recreational-water-illnesses/
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