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Used to check and calibrate nutrient conductivity meters. We offer two different solutions to cater for the requirements of most meters. 1.4m/S has a stable EC level of 1.4 and 2.8m/S has a stable EC level of 2.8. To use pour out a little of the liquid into a cup and then follow the calibration guidelines of your meter.
We recommend regularly checking your nutrient meters and calibrating them once a month so they maintain accurate readings.
Sold in 300ml bottles.
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