Actually it doesn't do either, it neither prevents disease nor helps with general well being. That, unfortunately, is a very common myth that people just parrot but without any basis in scientific fact.
http://www.skepticalaquarist.com/docs/health/salt.shtml
Yes, that would definitely be too big of a change. Change it no more than .001 at the most.
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Tina
Puffers:
Auriglobus silus x2
Colomesus asellus x1
Tetraodon travancoricus x1
Tetraodon biocellatus x2
Tetraodon nigroviridis x1
Tetraodon baileyi x2
Tetraodon lineatus x1
Tetraodon palembangensis x1
The greatness of a nation and its moral progress can be judged by the way in which its animals are treated. - Mohandas Gandhi
