Bluelab - pH Calibration Solution

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Bluelab pH Calibration Solution Keeping your pH meter calibrated is essential for taking accurate readings and keeping your nutrient solution within the correct pH range. Bluelab's pH Calibration Solution allows you to accurately calibrate your pH meter. Check out our complete water conditioning toolkits, which come with an EC meter, pH meter, pH up & down, pH buffer, chlorine neutraliser, jug and syringes - click here to learn. How pH Calibration Solution Works pH meters need to be calibrated regularly to maintain accurate readings of the acidity of your nutrient solution. Bluelab's pH Calibration Solution has a stable pH for calibrating your meter. Choose between pH 4.0 and pH 7.0 versions depending on the requirements of the particular meter. Show more