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Old 09-15-2003, 11:54 AM   #1
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quik question....

what are the small pockets in my dsb that appear to be trapped air ? they have been there for a while now and i was just curious as to what they are and what purpose the serve?



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Old 09-15-2003, 12:03 PM   #2
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They are nitrogen gas, it is the by-product of denitrification. The gas bubbles slowly leave the system into the atmosphere It is a sign that your DSB is doing what you want it to.

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