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Old 09-30-2014, 07:30 PM   #1
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Black algae?

Can someone tell me what this is and should I be worried about it? I'm going on the 4th day of my tank being cycled..
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Sorry for the crappy picture.. My tank is still kinda cloudy.


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Old 10-01-2014, 01:52 AM   #2
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Not sure what it is, it could be a sponge or some organic residue that's resolving over time. However, you really don't need to run lights in a cycling tank. It will just fuel algae growth.

If you're really worried about it, just take it out and use a clean brush of some sort to get it off.
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Old 10-01-2014, 02:04 AM   #3
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I agree with mebbid. Probably decaying sponge or other dead organic matter.


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Old 10-01-2014, 02:08 AM   #4
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Thank you! I don't have any lights for the tank right now either. I read somewhere I didn't need lights while
Cycling so I haven't bought them yet. I kinda thought the black stuff was just dying matter and would hopefully just go away lol.


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