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HM Digital TDS 1000 ppm Calibration Solution Bottle

Regular price $6.75 USD
Regular price $7.50 USD Sale price $6.75 USD
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For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.


  • NaCl calibration solution, available in 1000 ppm
  • Comes in lightweight HDPE plastic bottles
  • Sealed with a coated foam liner