Product Features
This handy
hand-held pocket meter checks your RO membrane performance.
Simply turn it on and dip the end in a glass of water - it
instantly give you a reading of TDS (total dissolved solids). To
check membrane performance, test untreated water and then your
RO water. Compare the results to determine the percent of
removal. Most people replace the membrane when removal drops
below 85%.
$49.00
with FREE
shipping in the contiguous U.S.!
TDS Calibration Solution - TDS-CS-800
$7.50
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