Bluelab Electrical Conductivity (EC) Pen Propagation Domes & Heat Mats High light output for vigorous

High light output for vigorous growth – PPF up to 816 μmol/s supports dense

CANNA PK 13/14 is a mixture of top quality nutritional minerals that stimulate flowering

Backward-compatible controllers include the CONTROLLER UNC529 and CONTROLLER 67

High organic purity — 90% of its stimulants are derived from purified organic molecules to avoid build-up or pH instability

Bluelab Electrical Conductivity (EC) Pen Propagation Domes & Heat Mats High light output for vigorousThe Bluelab EC CF Pen is a robust, handheld tool designed for growers who need accurate nutrient strength and temperature readings in hydroponic, soil, or coco systems. Featuring automatic temperature compensation and a backlit LCD display, this pen ensures precise measurements in any environment. Fully waterproof and built for durability, the Bluelab EC Pen is an essential instrument for maintaining optimal plant health and nutrient balance. Made in