Is your conductivity instrument adequately cleaned and giving accurate results? Test and see... Most of Bluelab’s EC/ppm equipment does not need calibrating as they are all factory calibrated here at Bluelab (except Bluelab EC and ppm Pens). The 2.77 EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe. To ensure solutions remain accurate: Avoid cross-contamination Decanter into a smaller plastic cup Discard sample after use Store in a cool dark place Store with lid secured tightly Keep out of reach of children Bluelab solutions are manufactured specifically for Bluelab products are NIST certified and are made to a traceable standard to ensure your Bluelab products last longer and maintain accuracy. 2.77 EC standard solution range: 20ml single-use solution sachet, case of 25 250ml bottle, case of 6 500ml bottle, case of 6
