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Christina, the point of temporary use of salt is to avoid indirectly creating salt-resistant pathogens. Recently, there are strains of ich, flukes and costia that have proven themselves resistant to salt once they occur as outbreak thus some people had to resort to treatments much more dangerous than salt such as formalin and malachite green, both substances that are carcinogenic agents which we need to avoid as much as possible until our options run out. Of course, salt has always been a debatable subject for decades.
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