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Our media should be used in conjunction with a CO2 scrubber
Temperature chart of the actual ppt value at various temperatures printed on each sachet
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35 ppt Marine Salinity Calibration Standard (5 x 20 ml) - Hanna Pumps Our media should be usedPremium quality 35. 00 ppt marine salinity calibration standard that is NIST traceable and contained in portable single use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hannas line of conductivity solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. 5 x 20ml Sachets 35. 00