Hanna Instruments Portable Waterproof pH/EC/TDS Meter (High Range) water ph test kit 00 ppm (mg/L) — ideal

00 ppm (mg/L) — ideal for heavily chlorinated water where standard 0–5 ppm reagents fall short

Laboratory analysis and research

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

This dual-function filter combines sediment filtration and activated carbon to remove contaminants

Hanna Instruments Portable Waterproof pH/EC/TDS Meter (High Range) water ph test kit 00 ppm (mg/L) — idealDesigned 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