Bluelab Truncheon Nutrient Meter Cannaboost Chelated iron adds more deficiency

Chelated iron adds more deficiency fighting power for lush green growth

The grill housing even has a built-in handle

Safe to use with any nutrient line

Drip Clean works like a magnet

thanks to CANNA’s unique production process

Bluelab Truncheon Nutrient Meter Cannaboost Chelated iron adds more deficiencyGardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0. 2 3. 6), CF (2 36), TDS ppm 500 (100 1800) and ppm 700 (140 2520). Accurate within 4% of reading with a resolution of 0. 1 EC, the Truncheon runs on three AA alkaline batteries and comes with a five year manufacturer's guarantee.