12-02-2012, 12:43 PM
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Well, I would have thought my explanation in the article explains why it is not good to use baking soda, but perhaps most haven't read it. So here is that paragraph excerpted:
A final comment on using baking soda (sodium bicarbonate) to raise pH. This can be useful in an emergency, but should not be used long-term. Sodium bicarbonate has no effective buffer action and cannot stabilize pH when additional acids are being produced such as by waste products. Further, the sodium ions will eventually reach levels that are intolerable for soft water fish (Weitzman et al. 1996). Commercial preparations such as rift lake mineral salts and others are effective though they are very expensive long term or in larger aquaria.
Also understand I am talking freshwater in the article, and in this thread; I've no idea about using baking soda in saltwater.
As for my credentials, I obtain all my data here and elsewhere from ichthyologists and biologists. The sources for that article are cited in the references, and they speak for themselves. As for the baking soda issue, that info comes from three biologists who have delved about as deep as anyone can into the topic. The credentials of Dr. Stan Weitzman will not be matched by any of us.