Bluelab Conductivity (EC or PPM) Pen Seed Starting This is necessary to obtain

This is necessary to obtain an optimal growing condition

HAZARDS : Single use

Brilliantly simple design that's easy to use

crispy leaf tips

Bluelab Conductivity (EC or PPM) Pen Seed Starting This is necessary to obtainBluelab Conductivity (EC or PPM) Pen Success by simplicity! The Bluelab Conductivity Pen is an easy to use handheld meter that quickly and accurately measures if your crop is receiving the right amount of nutrients. Use to maximize plant health, prevent nutrient burn and ensure optimum plant yields. DIRECTIONS FOR USE: Step 1: Press power button and place probe in solution. Wait for reading to stabilize. Step 2: To hold reading press power button