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- Aug 18, 2016
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Is this just algea or is it something else. Dark brown, thick, nothing in my tank seems to eat it, attached, always grows back same spot.
Im confused because my nitrates are 4 ppm and my phospherous is 2ppb or 0.01 ppm phosphate and yet it still grows, but thats understandable.
Im confused because my nitrates are 4 ppm and my phospherous is 2ppb or 0.01 ppm phosphate and yet it still grows, but thats understandable.