Bluelab One Pen pH,EC & Temp Combo Pen LED Drink plenty of water during

Drink plenty of water during the week prior to product use

so you can place it underneath your growing tray without worrying about water damage

Auto-off function to extend battery life

Here’s the technical bit

What are the benefits of using Professor's Grow Fast

Bluelab One Pen pH,EC & Temp Combo Pen LED Drink plenty of water duringAdvanced technology for all growers This 3 in 1 tool measures pH, Conductivity (EC PPM), and Temperature, optimising nutrient uptake. Connect to the Edenic app via Bluetooth for real time sharing, updates, and comprehensive data management. Replaceable probe and probe health indicator Ergonomic build and high contrast backlit display Precise readings with 0. 01 pH resolution Simultaneous pH and conductivity (EC) screen readings Measure conductivity in