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Old 01-29-2010, 03:10 AM
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Default Easiest PH test you will ever do!

HM Digital Ph Tester
Easiest PH test you will ever do!!!





Monitor your filter life in your Reverse Osmosis / Reverse Osmosis DI unit with any of the HM Digital TDS meters



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Last edited by BWI; 01-29-2010 at 03:46 AM.