There exist more articulate writings on this subject. Chloramines are formed when urea (pee and sweat) meets chlorine [1,2]. It contributes to athlete asthma [3

There exist more articulate writings on this subject. Chloramines are formed when urea (pee and sweat) meets chlorine [1,2]. It contributes to athlete asthma [3,4,5,6,7]. It is an identified occupational health issue [8]. Chloramines are a concern with aquatic facility operation [9,10]. One way to help is to use UV filtering [11,12]. I believe the solution is just better aquatic center ventilation [13] especially moving air across the water surface [14]. [1] https://nextgws.com/chloramine-simplified-chemistry-lesson/ https://nextgws.com/chloramine-simplified-chemistry-lesson/ [2] https://chlorine.americanchemistry.com/Science-Center/Chlorine-Compound-of-the-Month-Library/Chloramines-Understanding-Pool-Smell/ https://chlorine.americanchemistry.com/Science-Center/Chlori... [3] https://www.webmd.com/asthma/news/20040611/chlorine-pools-breathing-trouble#1 https://www.webmd.com/asthma/news/20040611/chlorine-pools-br... [4] https://lungdiseasenews.com/2015/04/07/competitive-swimming-linked-to-asthma-in-new-study/ https://lungdiseasenews.com/2015/04/07/competitive-swimming-... [5] http://www.jiaci.org/issues/vol21issue3/12.pdf http://www.jiaci.org/issues/vol21issue3/12.pdf [6] https://www.reuters.com/article/us-health-asthma-swimmers-idUSKBN0MT2I620150402 https://www.reuters.com/article/us-health-asthma-swimmers-id... [7] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4351252/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4351252/ [8] https://erj.ersjournals.com/content/29/4/690 https://erj.ersjournals.com/content/29/4/690 [9] https://www.cdc.gov/healthywater/swimming/aquatics-professionals/chloramines.html https://www.cdc.gov/healthywater/swimming/aquatics-professio... [10] https://www.chicagotribune.com/suburbs/park-ridge/sports/ct-prh-maine-south-high-school-pool-health-concerns-tl-0208-20160208-story.html https://www.chicagotribune.com/suburbs/park-ridge/sports/ct-... [11] https://www.poolspanews.com/facilities/maintenance/technical-guide-to-using-uv-sanitation-on-swimming-pools_o https://www.poolspanews.com/facilities/maintenance/technical... [12] http://halmapr.com/news/hanovia/2008/07/26/uv-chloramine-reduction-disinfection-and-water-savings-in-one-neat-package/ http://halmapr.com/news/hanovia/2008/07/26/uv-chloramine-red... [13] http://aquaticnews.com/2018/04/17/indoor-pool-air-quality-the-ultimate-solution-to-bad-air/ http://aquaticnews.com/2018/04/17/indoor-pool-air-quality-th... [14] http://paddockevacuator.com/ http://paddockevacuator.com/ Disclaimer: I've got no relation or interest in Paddock (the 1st and last 2 links), I just happen to be a swim coach.