Hanna Instruments Saltwater Nitrate Low Range Checker - HI781

More accurate and user-friendly than traditional chemical test kits. One-button operation simplifies the process of obtaining nitrate readings. Ideal for aquariums and marine environmental monitoring. Measurement range: 0-5 ppm on the meter. Extended range: 0-50 ppm (using dilution). Resolution: 0.01 ppm.You may also like Hanna Instruments HI98304 DiST 4 Digital Conductivity Meter.