Thread: My Sulphur Denitrator Project
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  #19  
Old 02/12/2007, 02:09 PM
Psyire Psyire is offline
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Join Date: Sep 2004
Location: Alberta, Canada
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From my understanding the bacteria consume the sulphur at an extremely slow rate. It should be good for a few years however most things I've read state that changing it out every 18-24 months is a good idea.