Salt question?

[cichlid savage]

I was reading on another site that someone used non iodized salt in their aquariums instead of the freshwater aquarium salt sold in their LFS. Does anyone one here use this type of salt. Its a hell of a lot cheaper than the stuff sold in the LFS's around here.

 

[gomezladdams]

Ive read that tablesalt contains anticaking agents,but lots of folks use it anyway.
Some folks use solar salt water softener salt,its evaporated seawater and even cheaper than tablesalt