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Old 09-17-2008, 01:55 AM   #1
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Rocks turning BROWN!!!

So I have had my tank cycling for about 3 weeks now. I have some good sized peices of LR in there, and they are doing good. a few of them came with the green and purple algage covering them, but now some of them are getting some brown all over them?? Its not hairy or anything, but its just turning brown. mostly just one that wasnt already purple or brown. Also my white Live sand is starting to get brown spots all over it...whats the deal here?!?!?!?! How do I get rid of it.

Thanks for the help everyone.
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Old 09-17-2008, 02:02 AM   #2
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heres some pics of the brown stuff!
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Old 09-17-2008, 02:46 AM   #3
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I had the same brown stuff growing on my rock. They said here that it was diatoms and that it would eventually burn out. Anyways the experts should answer your questions soon.
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Old 09-17-2008, 09:11 AM   #4
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Looks like diatoms. They are a part of the cycling process. They will go away as your water quality improves.
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Old 09-17-2008, 11:23 AM   #5
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Yup... looked just like mine right now.... but it's starting to go away... Diatoms is correct.....
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Old 09-17-2008, 12:06 PM   #6
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thanks everyone!!
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Old 10-07-2008, 06:08 PM   #7
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how long does it take to go away?? I started cycling last week ( so I thought! now i hear I have to add shrimp, I thought the LR would take care of that & I have to start over). If I add shrimp today to get ammonia going, how long til it's gone?? it's ugly.
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Old 10-07-2008, 06:29 PM   #8
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it can take up til you cycle is done some of it will go away once you do a PWC.... Also when you do a water change you can siphon some of it out....
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Old 10-08-2008, 05:56 PM   #9
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Don't worry man, I had the same thing with mine....had a massive brown algae outbreak (I used tap water instead of RO/DI), and it lasted a good week and a half. But once it eats all of the silicates? in the water, it will balance out.
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