Bluelab Calibration Solutions pH 7.0 - 500 ML special-order As a clean differentiator

As a clean differentiator

Warranty: 3 Years

and a remote temperature sensor for keeping track of more than one temperature zone while continuously monitoring humidity

and it’s described as coco coir safe

Bluelab Calibration Solutions pH 7.0 - 500 ML special-order As a clean differentiatorBluelab Calibration Solutions pH 7. 0 is a Bluelab pH 7. 0 calibration solution designed for pH pen calibration and pH probe calibration, helping keep pH measurements aligned when accuracy matters. Its a calibration buffer and pH buffer solution built for growers who want a dependable reference point for accurate pH readings in everyday monitoring. In any grow, pH readings guide decisions that affect nutrient availability and overall plant