HM Digital Waterproof Professional Series Meter Kit
The HM-HPK-1 is the hydro growers all in one solution. This kit combines the accurate HM-COM-100 TDS (PPM)/EC/Temp meter and the reliable HM-PH-200 pH/Temp meters together into one package.
It also includes a zip closure protective case and a generous amount of calibration and storage solutions. This is the best value on the market for anyone looking to test as the Pro’s do.
Includes
