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<p>[QUOTE=&quot;Sholom, post: 558976, member: 17753&quot;]Yes -- certainly a difference.&nbsp; One of my strong memories in chemistry-lab was that we had to &quot;weigh&quot; chlorine gas -- and we did it by having chlorine gas in baggies (!!), and weighing it.&nbsp; When we were done, we were to go outside and let the gas out of the baggie.</p><p><br /></p><p>There were small amounts of chlorine gas all over the place.&nbsp; I remember smelling the chlorine and getting a very slight pain in my lungs -- and realizing that it was the exact same smell/pain that I got when I swam at our community pool.</p><p><br /></p><p>So, seriously -- I&#039;m guessing that: (a) if you don&#039;t smell chlorine, you won&#039;t have a problem; and (b) if you do smell it, open a window.&nbsp; But, again, I can&#039;t imagine that the amount of gas in a few shakes of table salt could do any harm.*</p><p><br /></p><p>*Note: it might harm metals that are close-by!&nbsp; I remember in our chem lab we were told to remove all jewelry and put it in our pockets before the lab started!</p><p><br /></p><p>BadThad here is a chemist if I recall -- it&#039;s time for him to chip in[/QUOTE]</p><p><br /></p>

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