IME, oxygen is the biggest thing to worry about in this instance, after of course a couple good water changes.
I have had this happen to me a number of times as I usually use macro algae for filtration in all my nano set ups.
I have found that adding an airstone or an extra pump at the waters surface until things clear up really helps everything get back back to normal.
Last edited by gobytron; 09-22-2011 at 06:49 PM.
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