For precise calibration of pH meter.
Use this 4.01 pH solution when calibrating the pH meter for measurements below 5.0 pH. Also use it with the 7.01 pH solution for a two point calibration which improves the accuracy. Includes five 20-ml sachets.
$16.75 Original price was: $16.75.$11.73Current price is: $11.73.

For precise calibration of pH meter.
Use this 4.01 pH solution when calibrating the pH meter for measurements below 5.0 pH. Also use it with the 7.01 pH solution for a two point calibration which improves the accuracy. Includes five 20-ml sachets.
| Size | 1 Unit |
|---|
Flowers
Cress, Ornamental
Flowers
Campanula (Bellflower)
Flowers
Flowers
Flowers
Flowers
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