PH-220 Pen Style pH Meter | Pro-Measure

Precision instruments for paranormal research · Invented by Gary Galka

PH-220 Pen Style pH Meter

PH-220 Pen Style pH Meter – Image 1

PH-220 Pen Style pH Meter – Image 2

PH-220 Pen Style pH Meter

$99.00

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PH-222 Pen Style pH and Temperature Meter with Built-in Electrode

PH-222 Pen Style pH and Temperature Meter with Built-in Electrode

$99.90

$99.90

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