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Perfect for closed hydroponic setups
Natural and safe - 100% organic
delivering a blue‑dominant spectrum that supports compact plants with tighter internodal spacing
minimizing salt build-up
which also supports controlling a range of fungal diseases
Bluelab Electrical Conductivity (EC) Pen Hydroponic Kits Perfect for closed hydroponic setupsThe 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
