Hanna Instruments Portable Waterproof pH/EC/TDS Meter (High Range) water ph test kit a current is established that

a current is established that is directly proportional to the concentration of dissolved oxygen in the sample

Perfect for testing and measuring Magnesium levels in saltwater aquariums

The Milwaukee PRO 2 in 1 controller offers an accuracy to ±0

Push down and hold the “Cal” button on the front face of the meter and with the screwdriver go to the front Cal position “100%” and make the display read 100

✅ Salt-free water softening — no sodium added

Hanna Instruments Portable Waterproof pH/EC/TDS Meter (High Range) water ph test kit a current is established thatDesigned to bring simplicity to testing, the HI991301 pH EC TDS Meter is designed specifically for use in manufacturing and environmental testing protocols. The specialized electrode combines 3 sensors in a single rugged probe body featuring a polypropylene body, integrated temperature sensor, and cloth junction. 3 in 1 probe measures pH, EC TDS, and temperature. Comes with all the necessary solutions and batteries everything you need to get started