Bluelab pH & Conductivity Starter Pack – pH Pen + EC Pen + Probe Care Kit | Hydroponics baby bath filter Accurate calibration – ensures reliable

Accurate calibration – ensures reliable performance of humidity sensors and meters

Designed and manufactured in Vancouver

Parameter: Nitrite (NO₂⁻-N)

5V Alkaline Batteries - 10 Pieces

The system automatically maintains your target pH 24/7

Bluelab pH & Conductivity Starter Pack – pH Pen + EC Pen + Probe Care Kit | Hydroponics baby bath filter Accurate calibration – ensures reliableBluelab pH & Conductivity Starter Pack Complete Hydroponic Measurement Kit Everything you need to get started in one box. The Bluelab pH & Conductivity Starter Pack (SKU: PENSTP) combines the Bluelab pH Pen and Bluelab Conductivity Pen with a Probe Care Kit for a complete, ready to use measurement system. Take the guesswork out of your nutrient solution measure pH, EC, TDS, and temperature with confidence from day one. The Conductivity Pen is factory