Bluelab Truncheon EC Meter As long as the plug

As long as the plug is able to drain the excess water then it is near impossible to overwater it

Drop-in/in-line compatible

it provides a sterile environment and does not contain any harmful bacteria or pollutants which can affect root- and shoot development

After every irrigation circle the check valve breaks the vacuum created by the water flow by sniffing air into the PE tube

Bluelab Truncheon EC Meter As long as the plugImpossibly tough, an EC meter built to last a lifetime Robust and reliable construction for long lasting value Fully waterproof; splash, submerge or sink we've got you covered Automatically detects liquids and bright LEDS indicate measurement for brilliantly simple functionality Long format design for mixing and measuring nutrient reservoirs simultaneously No calibration required and easy to clean and disinfect All conductivity scales included EC, CF,