The Essentials Digital pH Meter is excellent little hand-held device for measuring the acidity/alkalinity of your nutrient solution. Reliable and great value-for-money.
- Gives a digital readout of the pH of your nutrient solution.
- Made of strong plastic
- Reliable and accurate
- Easy push-button calibration
- Water-resistant case
- Auto shut off to save battery life
- Takes 4 button-cell batteries (357, 357x, V357, G13, SG13, SR44, SR44W, SR44SW)