Growth Technology Conductivity standard calibration fluid
Growth Technology conductivity standard
Use for calibrating digital ec pens and meters, ec meters should be calibrated regularly to ensure accurate and precise readings.
The Fluid has a set ec level that you can use to calibrate you nutrient pen, if your nutrient pen doesnt read what it says on the bottle then you know it needs adjusting or recalibrating.
Growth technology 250ml bottle
Growth technology 1 Litre bottle