GroLine Waterproof Portable pH/EC/TDS Meter with Calibration Solution(25 x 20 mL sachets) aquarium CO2 000-gallon capacity or 6-month filter

000-gallon capacity or 6-month filter life

ORP Range: ± 1000mV

5V button cell batteries (included)  (LR44 or equivalent)

5× more accurate than basic meters

5V AA alkaline (included)

GroLine Waterproof Portable pH/EC/TDS Meter with Calibration Solution(25 x 20 mL sachets) aquarium CO2 000-gallon capacity or 6-month filterOne 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