BlueLab Calibration Solution - 27.7CF/EC2.77 - 250mL Sitewide Safety: Leave the room immediately

Safety: Leave the room immediately and stay out for a minimum of 4 hours

Seaweed also improves soil structure and water-holding capacity to keep plants well-watered in dry conditions

Growers typically hold the meter at canopy height during a slow walk-through

Active Aqua's Grow Flow's controller unit is easy-to-program so you can pretty much "set it and forget it

Application Guide:

BlueLab Calibration Solution - 27.7CF/EC2.77 - 250mL Sitewide Safety: Leave the room immediatelyCalibration solution for Truncheon, Guardian (conductivity), and ppm EC pen. 2. 77 EC = 1350 TDS ppm (500 scale) = 1890 ppm (700 ppm) The 2. 77EC Conductivity solution is used as a reference or checking solution to ensure you have adequately cleaned the EC CF probe. These solutions should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with the lids securely tightened.