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BLUELAB - PH 7.0 CALIBRATION SOLUTION 250ML - CARTON OF 6 Barney's Farm Potassium supports the movement ofMaximize the reliability of your measurements with our Bluelab pH Calibration Solution. Formulated with high quality ingredients and packaged in convenient 250 ml (8. 4 fl oz) bottles, this solution is specifically designed to calibrate pH probes. Bluelab calibration solutions are an essential component for the use of all Bluelab products. Manufactured to high laboratory standards, they are designed to ensure maximum accuracy and durability over time.
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