Bluelab Truncheon EC Stick Nutrient Meter CF PPM Strength Control Hydroponics nutrients Boric Acid

Boric Acid

7 Colour LED changing light with on/off option

It's not temperature-sensitive

Note: Commercial units must be hardwired by a qualified electrician

as long as your water falls between 4

Bluelab Truncheon EC Stick Nutrient Meter CF PPM Strength Control Hydroponics nutrients Boric AcidItem Description 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 your plants AND while they are