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Calibration Liquid in 20ml sachet PH 4.01 Water Master. With this sachet you can calibrate your pH meter with the 4.01 range.
The Buffer 1413 calibration liquid is specially designed for digital Electrical Conductivity (EC) meters. With simple use, you only need to insert the meter into the calibration liquid and adjust the meter to 1413mS/cm.
For your instruments to measure accurately, you should adjust the meters at least once a month. It is recommended to clean the electrodes after each measurement with a cleaning solution.
Calibration liquids are single-use; once used, they must be discarded. Store in a cool place.

If you want to take exact measurements you will need to adjust the meter at least once a month.
Just insert the meter into the calibration liquid and in a few seconds check that the meter reads 4, otherwise you will have to calibrate it, usually by turning a small screw.
Each meter is adjusted in a different way, some need pH4, others pH7 and others need both. Check the meter instructions to know which one you need.
Don't forget to clean the electrodes after each measurement with a cleaning solution.
Remember that an incorrect level of Ec and pH in any type of crop leads to a nutritional imbalance in the plants, affecting their health and development.
CALIBRATION LIQUID 20 ML EC1413 MS WATER MASTER at Grow Shop Web - Hydroponics Blanes
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