Thread: Whats your P04? (Per hanna meter) For optimum SPS #'s
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  #26  
Old 01/11/2008, 09:16 AM
RokleM RokleM is offline
Pingy Pingy!
  
Join Date: Apr 2005
Location: Columbus, OH
Posts: 2,812
.02 Rowaphos. I typically check it every few weeks, and change when it starts to hit .04-.05 or so.
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