Bluelab pH 7.0 Calibration Solution 20 ml Sachets Box of 25

Bluelab pH 7.0 Calibration Solution 20 ml Sachets Box of 25[ 732894 ]

$29.70 $45.00

pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH7.0 first (buffer) then to pH4.0 (slope). Bluelab's EC/CF equipment does not need calibrating as they are all factory calibrated. The CF27.7 (EC2.77) solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe. Sold in boxes of 25 only. 



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