Product Description

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  1. Fill a water sample of approx. ...
  2. Fill a 10 ml water sample into another cuvette.
  3. Add 1 Hard check tablet, crush it and after having closed the cuvette mix until everything is dissolved.
  4. Wait 5 minutes until the reaction time is over.
  5. Switch the Spectro 3 Photometer on with any of the keys.

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