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Old 01-10-2004, 05:17 PM   #1
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Denitrator Advice

I have an AZoo Bio-Denitrator, which has worked great for about six months. My nitrate levels were almost undetectable until about two weeks ago. I noticed my levels go from zero to 10ppm in a matter of about ten days. Now my levels are around 20ppm. I have increased my water change frequency to compensate for the rising nitrate levels. It seems as if the unit has become ineffective. Does anyone have any experience with this equipment? Does anyone have a replacement recommendation?

Van
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Old 01-10-2004, 07:11 PM   #2
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I have heard these types of units have a finite life span and must be started over with new media from time to time.
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Old 01-10-2004, 08:37 PM   #3
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I am not sure about the lifespan of this unit. I do however have to add 10ml of activating agent weekly to keep the denitrator seeded. I found some possible replacement media http://www.hdltd.com/products/p_tribase.html.

It is worth a try since the unit is not working as is.

Thanks
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