Bluelab Conductivity EC Pen varo__120cm x 120cm offering three versatile lighting modes—full

offering three versatile lighting modes—full

Blended with Potassium (K)

adjust the EC value of your base nutrient to 1

and overall yield

A wider conductivity range to suit your needs

Bluelab Conductivity EC Pen varo__120cm x 120cm offering three versatile lighting modes—fullIntroducing The Conductivity EC Pen By Bluelab The Bluelab EC or PPM Pen provides an accurate reading of the nutrient levels in your plant's solution and alerts you when adjustments are necessary. To ensure optimal plant nutrition, it's essential to have a high quality nutrient and measure the conductivity regularly. To avoid over diluting or over concentrating the solution, it's recommended to change the entire reservoir every 7 days and add