Pinpoint Nitrate Monitor Calibration Solution

Accurate digital nitrate monitor for saltwater marine aquariumsMeasures nitrate range of 0-10 ppm for reef use; 10-100 ppm for fish-only marine system useDual range nitrate monitor is accurate to andplusmn; 1 ppm after calibrationPrecise, digital nitrate monitor identifies nitrate problems early to help you prevent old tank syndrome. Two independent LCD ranges, 0-10 ppm for reef use and 10-100 ppm, ideal for fish-only marine system use. Accuracy for either scale is andplusmn; 1 ppm after calibration. Resolution for either scale is 1 ppm NO3. Includes probe, display unit and probe protector. Runs on 9V battery, not included. 3" x 5". Use with Nitrate Electrode Calibration Solution, sold separately below. Replacement probe and adapter kit also available.Please click on "More Information" for directions for use.