In May 2013, The CDC released a study warning about the presence of bacteria in public pool filters in Atlanta, Georgia, including e. coli . Of the 161 pool samples, the CDC found that more than half of them showed evidence of e.coli as well as another harmful bacteria, pseudomonas aeruginosa. The chlorine resistant cryptodporiduim was present in one sample. Any of these bacteria could lead to a harmful infection for unsuspecting swimmers, particularly those with compromised immune system.

Now, in this month’s edition of Water Conditioning & Purification Magazine, pool experts explain the significance of the CDC’s research and study. Authors Jeff Williams, PhD, and Nathan Kenney explain that enjoyable and safe pool care depends on two things: good filters and regular chlorine treatments.

One of the key items that they focus on in the article is the reduction of turbidity. Lowering turbidity, they write, can lead to safer pools. The chance for bacteria and other organisms to thrive is lessened when pool maintenance reduces turbidity (or cloudiness), but they also cite research that argues that the risk of drowning is less in clear pools. Clear pools allow other swimmers and poolside observers to notice those swimmers who may encounter trouble while swimming.

One of the best ways to lower turbidity is by maintaining your pool’s filtering system. Most pool experts will recommend changing the pool’s filter every 1-2 seasons. The filter should be changed even more often if the pool is frequented by lots of people or is the center of frequent pool parties. Dirt, sand, suntan lotions and perspiration are a common cause for clogged and old filters. Sunbelt or heated pools that are open or only partially winterized during the Autumn and Winter months will still require frequent filter changes.

If you are concerned about caring for the safety of your pool, visit freshwatersystems.com. We can help in selecting the perfect pool filter cartridge to keep the water clean and safe.

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