D-D TDS Calibration SolutionReverse Osmosis > D-Dhttp://www.charterhouse-aquatics.co.uk/catalog/tds-calibration-solution-p-3751.html<P>For optimal performance, re-calibrate your TDS meters periodically. Can be used for both our in-line TDS and dip TDS meters.</P>
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<LI><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>NaCl solution</FONT>
<LI><FONT face=Verdana size=2>342 ppm NaCl</FONT> at 25c/77f</LI></UL>5.95upc3751Charterhouse AquaticsD-D TDS Calibration Solution0 out of 5
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