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Apera GroStar Pen Testers Quick Start Tutorial

6.1K views
Mar 2, 2023
7:25

00:31 How to calibrate pH (for GS1, GS2, and GS4) 02:39 How to calibrate EC/ppm (for GS3 and GS4) 03:50 How to test solutions (for all Grostar pens) 04:39 Pure water pH test 05:26 How to clean GroStar probes 06:10 How to store GroStar probes 06:58 How to replace the probe

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Apera GroStar Pen Testers Quick Start Tutorial | NatokHD