TesTabs* Nitrate test module, Includes laminated flash card with helpful background information, laminated diagrammed instruction card with color chart, test tubes, and sufficient TesTabs* to run 100 tests, Color chart reads 0, 5, 20, and 40 ppm nitrate
For low- to medium-range colorometric analysis of water quality. Range: 1-12ppm (IC). Includes 30 self-filling ampules, comparators, accessory solutions, snap cup and instructions.
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