Comment: Your friends got you covered!

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In reply to comment: iron deficiency? (see in situ)

Your friends got you covered!

Something about metabolizing nitrogen, if my rusty memory serves me... but a few rusty nails, or a bit of liquid chelated iron are the usual fixes.
Maybe you should get the fish a tetanus vaccine just in case? ;)

This is the article that got my posting privileges revoked:
http://bklim.newsvine.com/_news/2013/05/12/18212165-dr-stan-...