The Essentials pH meter is a convenient hand-held device used to digitally measure the acidity/alkalinity of nutrient solutions. 

The Essentials pH meter is one of, if not the best digital pH meter for the money. This very reasonably priced unit is an excellent quality piece of kit that will give you accurate readings time after time. It’s small compact and simple design makes it easy to transport and a breeze to use. With only two buttons (on/off and calibrate) this unit is one of the easiest pH meters to use and calibrate. Most pH meters or probes have a lifespan of up to one year where as the Essentials pH meter is rated between 1 and 3 years depending upon frequency of usage. The Essentials pH meter has an auto-shut off function that will automatically turn your unit off after a few minutes of inactivity to save your battery.