BLUELAB - 4.0 PH REFERENCE SOLUTION 500ML

MSRP: $10.99
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Now: $8.79
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SKU:
HD4CAL500
Weight:
1.20 LBS
Shipping:
Calculated at Checkout

Calibration and conductivity standard solutions... a must in every grower's 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