Bluelab EC Pen 2 and 3 during the

2 and 3 during the 18 hour vegetative stage is the best guarantee for high quality results and strong

which corrects the reading with respect to temperature

Speeds up the germination process when used to soak seeds prior to planting

When you are growing hydroponically checking and adjusting pH is a simple matter

It can also be used as a foliar feed

Bluelab EC Pen 2 and 3 during theThe Bluelab pen provides a quick and easy way to ensure the productivity of your crops by ensuring they have the nutrients they need by measuring conductivity and temperature. The waterproof ppm pen measures conductivity on the ppm 500 and 700 scales and temperatures in Celsius and Fahrenheit. With an easy to read LCD display, this ppm pen is an essential tool for a successful grow.