The ETI/ Trans Instruments TDS/EC & Conductivity Meter (nutrient strength) splash-proof meter for Hydroponic nutrient strength testing. Manufactured by Trans Instruments and supplied by UK specialists ETI (Electronic Temperature Instruments) the standard yet reliable features make it THE most reliable and useful budget pocket nutrient strength meter available.. and at a very reasonable cost!
Keeping your nutrient strength correct and consistent will ensure super healthy growth and maximum yield.
We highly recommend purchasing EC Standard Calibration (EC calibration solution) and a Bluelab pH & EC Probe Care Kit for calibrating/cleaning/storage of your meter.
Please see Grow FAQ section on our Homepage for more information regarding recommended pH levels and nutrient strengths.