Hydrofarm BLU4500 Bluelab pH 4.0 Calibration Solution, 500 ml, case of 6 BLU4500 or Bluelab

Bluelab pH 4.0 Calibration Solution, 500 ml, case of 6 BLU4500 | Bluelab

Bluelab

$49.94
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SKU:
BLU4500
Weight:
7.72 LBS
Shipping:
Calculated at Checkout
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 clea

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