Bluelab Original Truncheon Meter Water Chillers This mechanism prevents the draining

This mechanism prevents the draining of lines to their lowest point

It powers commercial 277V circuits and ships with an accessory dimming wire

Its flexibility speeds up layout

supplying all major NPK with any nutrient system

Bluelab Original Truncheon Meter Water Chillers This mechanism prevents the drainingBluelab Original Truncheon Meter PPM, TDS, EC Tester The world's favourite nutrient meter! With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on off buttons to worry about, the Bluelab Truncheon Nutrient Meter has proven itself as the world's favourite nutrient meter. It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding