EC SHAKE™ NUTRIENT METER EC Shake™ Nutrient Meter
EC SHAKE METER
This revolutionary EC meter is powered by a magnet instead of a battery! A gentle shaking action generates the energy to power this simple, yet sophisticated meter. With just a few easy steps you will get a quick & accurate reading of the electrical conductivity (EC) of your nutrient solution. This patented meter will completely ... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.