A member of loaches online also said this about the salt on that same article
6. While I respect your position on Salt, please note that it is not at all clear that Salt is always a worse poison than other ich meds. It seems that formalyn is actually more dangerous for at least hillstreams, while Malachite Green+Salt combination drugs (Nox, Ich Guard) are safe.
This comes from another article on ich http://www.cichlid-forum.com/articles/ich.php
Can my fish handle salt? I wrote this article with African rift lake cichlids in mind, and I have successfully exposed my Malawi haps and clown loaches to a salt treatment without any problems. But these fish are accustomed to fairly hard water with a high pH. It is my understanding that species preferring soft water will not tolerate salt as well. If you keep soft water fish, please do your homework before proceeding with salt.
6. While I respect your position on Salt, please note that it is not at all clear that Salt is always a worse poison than other ich meds. It seems that formalyn is actually more dangerous for at least hillstreams, while Malachite Green+Salt combination drugs (Nox, Ich Guard) are safe.
This comes from another article on ich http://www.cichlid-forum.com/articles/ich.php
Can my fish handle salt? I wrote this article with African rift lake cichlids in mind, and I have successfully exposed my Malawi haps and clown loaches to a salt treatment without any problems. But these fish are accustomed to fairly hard water with a high pH. It is my understanding that species preferring soft water will not tolerate salt as well. If you keep soft water fish, please do your homework before proceeding with salt.