GroLine Waterproof Portable pH/EC/TDS Meter with Calibration Solution(25 x 20 mL sachets) MW151US Sample Cell: Stainless steel ring

Sample Cell: Stainless steel ring and flint glass prism

Accuracy: Standard ±75 mV

easy-to-read LCD displays all four scales simultaneously

Mineral Stones restore these minerals naturally

GroLine Waterproof Portable pH/EC/TDS Meter with Calibration Solution(25 x 20 mL sachets) MW151US Sample Cell: Stainless steel ringOne of the best meters for hydroponics, our GroLine Waterproof Portable pH EC TDS Meter (HI9814) is a must have for growers. Easily manage and monitor your growing nutrients with this customer favorite. Be up in running in no time! This meter arrives with everything you need for successful testing right out of the box. Whether you're a commercial or at home grower, testing nutrients is easy with Hanna by your side. Verify nutrient results on the spot