Originally Posted by
Mark_T
The TSA website clearly and specifically allows a wide variety of 'salt' type products in your carry-on so I do think the potential risks of corrosion have been considered andare viewed as insignificant.
However the TSA always reserve the right to reject any item they wish on the day so once they say 'no' there really isn't a lot of point in arguing about it...
Just because TSA doesn't prohibit it doesn't mean an airline can't. TSA seems more concerned with imminent threats rather than something might cause an issue way down the road. Hawaiian doesn't mention pure salt as prohibited, but they do prohibit salt water --
http://hawaiianair.custhelp.com/app/...check-in-items