Saltwater Nitrate Low Range Checker
The HI781 Marine Nitrate Low Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually.
Range: 0.00 to 5.00 ppm (as NO3–) [0.0 to 50.0 ppm (calculated) using dilution]
Built-in timer so you don't miss a step.
Saltwater Compatible
Bien mais...
Très précis mais compliqué à mettre en œuvre surtout quand on dépasse les 5ppm car il faut de l'eau de mer neuve pour diluer l'échantillon. Pas pratique du tout.