ph meterApera Instruments PC60 pH/EC/TDS/Temp Meterβ
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4.9~$100Buy Now on AmazonSee full detailsSee full comparison
calibration-solution
Bluelab pH Calibration Solution Sachets β 30 x 18ml Single-Use Sachets
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Β½4.7 / 5
~$22Buy now on Amazon (opens in new tab)About this product
Thirty single-use calibration sachets eliminate the cross-contamination risk of shared calibration bottles β use one sachet per calibration session for consistent pH meter accuracy.
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calibration solutionBluelab pH 4.0 and 7.0 Calibration Solution Kit (500 ml each)β
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4.8~$29Buy Now on AmazonSee full details
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