Bluelab Nutrient Truncheon Nutrients > Athena They can run between 0%

They can run between 0% and 100% with absolutely no humming or buzzing

CANNA Aqua Clay Pebbles are manufactured from special types of clay that have a low soluble salt content

The can-Lite is manufactured using the same proven packed bed design as the original Can-Filter but utilizes high quality virgin activated Australian RC light weight granular carbon

it is easily installed by one person as the running gear is suspended in position before the new improved clip-on LED bars are connected

Bluelab Nutrient Truncheon Nutrients > Athena They can run between 0%The Bluelab Truncheon measures the electrical conductivity of your nutrient solution through electrodes on the bottom end. The measurement is then displayed on a row of LEDs, even visible in daylight. It is possible to calibrate the truncheon in all the popular scales (CF, EC and PPM). The electrodes are protected by a slotted plastic shroud, this ensures they have great longevity. The Bluelab Truncheon will automatically turn on when it is dipped