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Janice Z. wrote on SAM's Whiteboard. May 15 2011
Janis Bell wrote on Janice Z.'s Whiteboard. May 15 2011
Janice Z. commented on Eureka! May 14 2011
Janice Z.'s Whiteboard
May 15 2011 by Janis Bell

I got the sulfate test strips from Quantofix, through a US distributor for under $30, I think it was CTL but can't recall.  Several other companies sell them.  

Thanks for your comments on my blog.  I wish I could keep it up and post more regularly. 



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