Bluelab PH Pen Ducting A system that runs smoothly Size 260mm x 160mm
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Description
Bluelab PH Pen Ducting A system that runs smoothly Size 260mm x 160mm A system that runs smoothly Input Frequency: 50Hz~60Hz soak the pH Pen in a potassium chloride (KCL) solution for 24 hours and dip it into calibration fluid
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