BlueLab Calibration Solution - 4.0 pH Size:250 ml efficient nutrient delivery with Ventana

efficient nutrient delivery with Ventana Plant Science Commercial Bloom

You can use these with any of your favorite growing media

and the one to reorder when that vault's original turns rigid

purified water and a food-grade thickener

If plugs dry out in use or storage it will not diminish their usefulness

BlueLab Calibration Solution - 4.0 pH Size:250 ml efficient nutrient delivery with VentanaThe 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