Condition: New - Opened, but not used Product Name: pH Water Testing Kit (pH Meter LCD Digital Electric Water Tester Pen) Contents: 1× pH Meter LCD Digital Electric Water Tester Pen 1x PH Buffer Powder 4.01 at 25°C 1x PH Buffer Powder 6.86 at 25°C 1x PH Buffer Powder 9.18 at 25°C
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