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  1. J

    cheap ppm meter

    Hi there, I'm looking for cheap ppm meter. I have found this on eBay: http://cgi.ebay.com/HM-Digital-TDS-EZ-Meter-Tester-Water-ppm-Purity-Filter_W0QQitemZ280349439863QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item414620f777 Is it any good for a newbie. Can you recommend something different...
  2. J

    S.o.s.

    never mind
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