Before you know exactly the EC value of the bottle, you can easily check the gauge and / or leave oak. You obviously do not want the meter shows incorrect values.
Calibration Solution EC 1.4 is to monitor and / or oak of the EC meter. In a bottle of 300 ml.
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EC 3.0 Calibration Liquid 100ml
Bluelab pH 7.0 Calibration fluid
PH 4.0 Calibration Liquid 100ml
EC 12.88 Calibration Liquid 100ml
Storage solution PH EC Meters 100ml
EC 1.44 Calibration Liquid 100ml
PH Probe Cleaner 250ml
PH 7.0 Calibration Liquid 100ml
Bluelab pH 4.0 Calibration fluid
Demineralized water 1 liter
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