https://community.usms.org/swimming/f/general/12147/allergy-only-to-pools-in-one-stateI used to swim daily in my university pool as a graduate student. I also used some other aquatic centers in the area. I moved to another state for a job (Minnesota), and I&#39;m experiencing the horrible allergic-type reactions (throat swelling, hives,en-USTelligent Community 12https://community.usms.org/thread/195269?ContentTypeID=1Fri, 15 May 2015 01:15:25 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:8f6149cf-b0e6-4f11-9778-3e2ad3287374Redbird AlumShort of understanding the water source (ground, river, etc), the relative geography and geology of the areas in which the Minnesota pools you frequented are situated, and the possible suppliers of chemicals to the respective pools... you may need to pull water samples and have them analyzed. (Or just move to another state!) :2cents:<div style="clear:both;"></div>https://community.usms.org/thread/195257?ContentTypeID=1Wed, 13 May 2015 08:39:03 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:8184cd7a-162b-43ac-b89c-a4c60bef05besmontanaroI think perhaps @scedastic is a Badger. :-)<div style="clear:both;"></div>https://community.usms.org/thread/195250?ContentTypeID=1Wed, 13 May 2015 04:28:07 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:0fafc95d-22cf-4c3e-9d82-456465cc00a8Karl_SMaybe you are allergic to something else in MN and swimming just aggravates it.<div style="clear:both;"></div>