Hydrofarm BLU420 Bluelab 4.0 pH Calibration Solution, 20 ml, case of 25 BLU420 or Bluelab

Bluelab 4.0 pH Calibration Solution, 20 ml, case of 25 BLU420 | Bluelab

Bluelab

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SKU:
BLU420
Weight:
1.32 LBS
color:
Blue
color:
Blue
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Calibration and conductivity standard solutions... a must in every growers toolbox.

The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanlines

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