My eyes were burning like crazy on 2/5 days, during after swimming laps for approx. 2 hours/day, last week, in a public pool. What tests are required for Nassau COunty Long Island, NY and what are the acceptable ranges? What tests are not required but are desirable to perform?


New York state code requires testing of free and total chlorine (or bromine) and pH on a daily basis. They also specify that hardness and total alkalinity should be tested as needed. These are the key parameters to monitor and it is likely that the discomfort you are experiencing is due to inadequate levels of chlorine or pH. Ideally the chlorine should be kept between 1 and 5 ppm and pH between 7.2 and 7.8.

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