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Is it possible that your sinuses are less affected by some airborne allergens at one location over another? Can you notice any differance?
Not at all. I usually get a little stuffy after a plane ride, but thats just becaus ethe air quality sucks. Other than that my sinuses only give me trouble when I mow the lawn.
Maybe because the aquarium is a little over 1000 ft msl? The springs are near 0...
"But Honey, it is a medical experiment not a vacation"