Hanna Instruments HI7031L 1413 µS/cm Conductivity Standard Thermostat Peco making it simple to reach

making it simple to reach the optimal Vapor Pressure Deficit for maximum growth

Root zone inoculant of selected beneficial bacteria for bigger and healthier roots

We include everything you need but seed and soil

Understanding Natural pH/EC Fluctuations

Hanna Instruments HI7031L 1413 µS/cm Conductivity Standard Thermostat Peco making it simple to reachAcurate EC Calibration NIST Traceable Long Term Stability The Hanna Instruments HI7031L 1413 S cm Conductivity Standard is a premium, laboratory grade calibration solution designed to deliver precise and repeatable EC (electrical conductivity) measurements. Prepared using NIST traceable potassium chloride (KCl) and manufactured under strict ISO 3696 BS3978 analytical standards, this solution ensures your conductivity meter remains accurate, stable,