Bluelab® Conductivity Pen (EC or PPM) Base Nutrients For every 1 gram of

For every 1 gram of Pro Bloom use 0

Drain completely and refill reservoir with fresh nutrient solution

Water Soluble Nitrogen 0

Harvest Keeper® All Clear Sealer Bags are BPA-free and produced from FDA-approved food-safe materials

Traditional PK spike promotes maximum bud bulk

Bluelab® Conductivity Pen (EC or PPM) Base Nutrients For every 1 gram ofBluelab PENCON Conductivity Pen and Digital TDS Meter, Water Tester for Temperature and Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit for Hydroponic System and Indoor Plant Grow Measuring conductivity and temperature, the Bluelab Conductivity Pen keeps track of two fundamental aspects that determine your plants' ability to thrive. With the Bluelab Conductivity Pen (EC or ppm) you'll never have to guess your nutrient concentration again. This is