The Planted Tank Forum - View Single Post - What causes cyanobacteria?
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Old 02-29-2012, 04:03 AM   #2
Jorge_Burrito
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Quote:
Originally Posted by maknwar View Post
My 40B keeps breaking out with cyanobacteria. What would cause this over and over? I've got an Eheim 2217, co2, medium lighting. Only thing that is different in this tank is that I use ada Amazonia as a substrate.
Low nitrate levels or not enough circulation often seems to get the blame.
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