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an essential macronutrient that drives carbohydrate production
the tape withstands temperatures from -30°C to 150°C (-20°F to 300°F)
and reliability
and never cover or obstruct the heater
Suitable for seedlings
Bluelab Conductivity Pen LED an essential macronutrient that drivesThe Bluelab Conductivity Pen is a compact and reliable tool for accurately measuring the strength of nutrient solutions in hydroponic systems. It provides instant readings of EC, CF, and PPM across multiple scales, allowing growers to maintain precise nutrient concentrations for optimal plant health and productivity. With a waterproof, floatable design and automatic temperature compensation, the Conductivity Pen is built for daily use in demanding