Bluelab pH 7.0 Calibration Solution 500 ml (6/Cs)

Hawthorne

$11.10 
SKU: HGC732896

Due to COVID-19 supply issues, we are operating only as a brick and mortar business. Stop in or give us a call for availability! 224-399-9877

pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.""

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