I've been using marine salt mix in my discus tank and with the killifish. Susan -----Original Message----- From: gsas-member-bounces@thekrib.com [mailto:gsas-member-bounces@thekrib.com] On Behalf Of Matt Staroscik Sent: Tuesday, January 24, 2006 11:56 AM To: Greater Seattle Aquarium Society member chat Subject: Re: [GSAS-Member] Killies and salt On Tue, Jan 24, 2006 at 11:48:53AM -0800, DonaldR wrote: > Mark, Dave or Steeve, > Can I use standard old Kosher salt for the killies or should I get aquarium salt? The only thing other than salt in it is some kind of "anti-caking agent". Other than that I heard it is much better to use than the regular table salt. > -Don Rudee >From my reading on the subject, the anti-caking agent is probably prussic acid. Whatever it is, it is bad news. Diamond kosher salt is 100% pure salt, last time I bought it. Morton's Canning and Pickling Salt is the same, though it is fine grains instead of the big kosher salt flakes. (I had to learn all this some years ago when I treated an ich outbreak.) Best, Matt -- Matt Staroscik matt@wrongcrowd.com | http://wrongcrowd.com _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member