Pay in 4 interest-free payments of $31.25 Learn more
Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
submerge or sink - we've got you covered
Compatible with all Bluelab pH Controllers and Bluelab Pro Controllers
Bluelab pH PenPlus sold separately
Contains 6 bottles 500 ml/16
Low-pressure system (max 15 psi)
Bluelab pH 7.0 Calibration Solution - 500 ml Box of 6 US halloween25 submerge or sink - we'vepH 7. 0 calibration solutions a must in every grower's toolbox Features: Contains 6 bottles 500 ml 16. 9 fl oz Boost your pH products longevity with regular cleaning and calibration
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