Bluelab® Combo Meter royal gold some important exceptions do exist

some important exceptions do exist

Just trim off the rough edge

The best part though

Clones and clippings need heat to stimulate growth at the root level

and check for leaf burn in small-scale trials prior to use

Bluelab® Combo Meter royal gold some important exceptions do existThe Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops' daily nutrient requirements. Simple push button pH calibration. Successful pH calibration indicators. Low battery indicator. Over range and under range indicators. Display options available in degrees C and F, EC, CF, ppm