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Old 03-13-2011, 04:18 PM   #1
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Brown sand?

Can some one tell what this brownness on my sand is called and how I get rid of the problem?
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Old 03-13-2011, 04:20 PM   #2
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Diatoms, how established is your tank, it usually is found in newer aquariums. Are you using RO water? Vacuum it out.

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Old 03-13-2011, 04:22 PM   #3
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Looks like diatoms to me also. Sometimes cyano will start out brown. I too would siphon it out just in case.
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Old 03-13-2011, 04:38 PM   #4
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Tanks been running since early December 2010 I do syphon it with a gravel cleaner when I do a WC but with in the week it grows back! Yes I use RO water
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Old 03-13-2011, 09:23 PM   #5
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It may just go away as the tank matures, are your nitrates at 0? You could try cutting back on the lighting a little bit each day...

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Old 03-13-2011, 10:47 PM   #6
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What do you have for a CUC
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Old 03-13-2011, 11:19 PM   #7
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Deff. Diatoms. How much water flow do you have. I had a similar problem when my tank was just starting but put 2 MaxiJet 1200s in there and have been good ever since
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Old 03-14-2011, 04:05 PM   #8
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I have 3 red legged hermit crabs and 6 cowrie snails.

stock sera flow pump stp 1000 feeding a spray bar.
And ive also added a newave pump which says on in l/h 750-1400
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Old 03-14-2011, 05:47 PM   #9
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my sand looks like that too but my tank is only a month old. Im hoping that they go away soon. I have to clean it off the glass once a week or so...maybe less
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