boldtogether Polypterus MFK Member Sep 25, 2008 2,698 344 92 55 chino hills, california Sep 30, 2011 #21 Prolly a bac bloom. Dont clean all your filters at once. This is not the right forum.
dookie Candiru MFK Member Apr 23, 2005 942 15 48 Hong Kong Sep 30, 2011 #22 fx5 doesn't have much surface area. i think you will need more bio media..