Bluelab 2.77 EC Conductivity Calibration Sachets – Box of 30 (18 ml Each) replacement spigot The MI411 measures the color

The MI411 measures the color photometrically and displays the pH value

Test sparge water

Air tight bottle with tamper-proof seal

The most comprehensive replacement filter for your Santevia Gravity Water System

✔ Trusted by commercial hydroponic growers and pH management professionals worldwide

Bluelab 2.77 EC Conductivity Calibration Sachets – Box of 30 (18 ml Each) replacement spigot The MI411 measures the colorAn easy way to keep your pH and EC probes or pens accurate and working at their best Features: Easy to open single use sachets of calibration and storage solutions Quick tear open sachets are suitably sized for on the go calibration and probe storage Contains 30x 18 ml 0. 6 fl. oz. sachets Bluelab Solution Sachet 30 box delivers precision calibration for EC conductivity meters. Each sachet contains 2. 77 EC solutionthe industry standard for validating