Thread: replace light bulb induces cynobaterica??
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Old 07-01-2009, 02:40 AM
mandarin man mandarin man is offline
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Default replace light bulb induces cynobaterica??
Hi,

I just replaced old RSM lights two weeks with new ones. I notice there is a small outbreak in the cynobacteria on sand and live rocks. Nitrate is less than 1ppm with ELOS test kit. 10-15% water change every week. I am not overfeeding, a mandarin goby, firefish, and two yashia gobies. Is it possible that changing lights could cause an outbreak in cyno?
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