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Calibration

Calibration liquids for adjusting your metres.



Manufacturer Product Image Item Name Price
pH 4 Buffer

pH 4 Buffer

Provides a standard pH4 solution for calibrating pH meters. 250ml bottle
£2.95

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pH 7 Buffer

pH 7 Buffer

Provides a standard pH7 solution for calibrating pH meters. 250ml bottle
£2.95

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EC Standard Solution

EC Standard Solution

EC (Electronic Conductivity) meter calibration solution.
£2.95

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