Calibration Solution 7.0 + 4.0 | 250ml

This bundle comes with 2 - 250ml bottles of liquid calibration solution (1 - 7.0 and 1 - 4.0) for your Nute Meter. Solution is compatible with any digital pH pen that calibrates to 7.0 and 4.0.

 

Solution is made out of Potassium Hydrogen Phthalate

 

Calibration Solution 7.0 + 4.0 | 250ml

$14.00Price
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