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#5
10-08-2013, 09:27 PM
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Ill be doing a water change today and a cleaning. I'll remove the media from the sump and give it a vacuum.
The UV is a 9watt and has been turned off for the last few months - the light burn out. No changes to the NO3. Last week I replaced the light and got it turned back no and again no changes so I'll rule out the UV... 
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