BTT EC calibration fluid 12.88 mS / cm 100 ml.

BTT EC calibration fluid 12.88 mS / cm 100 ml.

Regular calibration of your measuring electrodes with pH 1.41 calibration liquid ensures optimal (more accurate) measuring performance.

You will find these and all your other grow items in our Growshop. Smoking supplies can be found in our headshop department, CBD Products but also Cannabis seeds and much more can be found in our shop in maastricht on the main canal 59 and of course here on our website; www.bigbud-maastricht.com