Bluelab pH Calibration Liquid 7.0 250ml

Bluelab's pH calibration fluid has a package size of 250 ml. This calibration solution has been specially developed for use with Bluelab pH meters and extends the life of these products. Thanks to the high quality of the calibration solution, your measurements remain accurate. The Bluelab pH 7.0 calibration solution is a must-have for every gardener and ensures that your pH probes continue to function optimally. With this solution you can be assured that your Bluelab products will last longer and continue to provide reliable measurements.