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#4
11-02-2013, 03:43 AM
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the human nose can smell ppb ammonia, can you smell it in your house?
Also ammonia is lighter than air so it would be concentrating in the higher areas.
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Crap happens, that's why they sell toilet paper in 48 roll packs! Last edited by Cal_stir; 11-02-2013 at 03:45 AM. 
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