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Old 02-07-2011, 11:17 PM   #1
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Brown isotopes?

How to get rid of these?
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Old 02-07-2011, 11:27 PM   #2
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...Brown..Isotopes? What exactly are they?
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Old 02-07-2011, 11:39 PM   #3
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Brown algae or brown diatoms
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Old 02-08-2011, 09:49 PM   #4
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Anyone?
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Old 02-08-2011, 11:03 PM   #5
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water changes with good source water (R.O.D.I.) and cutting back on feeding. it's a nutrient issue.

http://saltaquarium.about.com/cs/alg...a/aa071103.htm
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Old 02-08-2011, 11:13 PM   #6
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Thank you! Yes i do use RODI water and change anywhere from 10-20% a week! Last week I changed 50% and did another 10% today Is it possible this happened because of the latest spike of ammonia from die off on my rocks? My nitrate reading is 0
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Old 02-08-2011, 11:22 PM   #7
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yes, after cycles, diatom blooms are very common due to the excess nutrients produced.
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Old 02-11-2011, 07:05 PM   #8
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Are these them ? These were white rocks
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Old 02-11-2011, 08:36 PM   #9
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Looks like it to me. Brown diatoms
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