Professional-grade Photometer allows detection of even the minutest quantities of phosphate in your aquarium's system. Using the adaptation of ascorbic acid method, the tungsten lamp is capable of determining phosphate concentrations at levels from 0.00 - 2.50 mg/L, with an amazing resolution to the nearest 0.01 mg/L. Auto calibration makes it ready for use at any time. Also includes a hard carrying case, two cuvets, reagent chemicals, wiping tissue and instruction manual. Never be in the dark about your aquarium's phosphate levels again!
