BlueLab Calibration Solution - 7.0 pH SIZE:250 ml That matters far more at

That matters far more at this length than it does on a 3x3

Crafted for ease of use

70% recycled ABS with UV-resistant cap: Recycled core

Bloom series

BlueLab Calibration Solution - 7.0 pH SIZE:250 ml That matters far more atThe Bluelab Calibration Solutions are a very necessary part of a growers toolbox. These solutions are manufactured specific to the calibration process and referenced to high laboratory standards by Bluelab. They are required for the calibration of pH meters, pH monitors and controllers. Regular cleaning and calibrating of pH measuring equipment ensures accurate readings. Bluelab's EC CF equipment does not need calibrating, as they are all factory