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Old 05-31-2012, 01:24 PM   #1
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why is my sand and rocks getting brown

My live rocks and sand is getting brown on the tops. Why? Is it OK or bad?
20 gal with a pink tip condy and a tomato clown.

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Old 05-31-2012, 01:27 PM   #2
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Your getting some algae in the rocks and diatoms on the sand. Not a big deal, just looks bad sometimes. How are you water changing? What type of water/mix/schedule. How long are your lights on. What type of lights?
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Old 05-31-2012, 01:34 PM   #3
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Regular fluorescent bulbs and water 10% water change 1nce a month with instant ocean salt
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Old 05-31-2012, 02:05 PM   #4
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Are you using ro/di water for your water changes? that can contribute to algae if you aren't.... also, I would up that water change schedule a bit, like maybe every other week 10-15%.
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Old 05-31-2012, 02:19 PM   #5
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Where do I get ro/di water
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Old 05-31-2012, 02:26 PM   #6
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Where do I get ro/di water

You can get it from your local Fish store or buy a unit and filter the water yourself at home...they got good ones on ebay for cheap
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Old 05-31-2012, 03:04 PM   #7
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Quote:
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Are you using ro/di water for your water changes? that can contribute to algae if you aren't.... also, I would up that water change schedule a bit, like maybe every other week 10-15%.
I heard Carey is doing a group buy! Could get a RODI unit for cheap that may!
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Old 05-31-2012, 03:05 PM   #8
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How much
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Old 05-31-2012, 03:31 PM   #9
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How much
I paid 65 bucks off eBay free shipping
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Old 06-01-2012, 08:59 PM   #10
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Here is the cheap ebay one, which works just fine.

0PPM Portable 100GPD Reverse Osmosis RO+DI Filtration | eBay
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