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<p>[QUOTE=&quot;-jeffB, post: 2650382, member: 27832&quot;]Cobalt chloride isn&#039;t used in bulk as a dessicant. It&#039;s an <i>indicator</i> -- it changes color from blue when it&#039;s dry to pink when it&#039;s not. Add a tiny amount to silica gel, and you get a dessicant pack that tells you when it&#039;s time for reconditioning.</p><p><br /></p><p>Sure, it&#039;s &quot;derived from chlorine&quot;. But table salt is derived from that same highly-poisonous, highly-reactive chlorine gas -- along with sodium, a metal so reactive that it <i>explodes in contact with water</i>. And yet, we hardly <i>ever</i> hear of people being gassed or losing their houses because their salt shaker went rogue, even after sitting around for years.</p><p><br /></p><p>Cobalt chloride is the same kind of compound. It&#039;s not going to produce free chlorine, period, unless you mix it with something ridiculous, or deliberately melt or dissolve it and pass an electric current through it.[/QUOTE]</p><p><br /></p>

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