Nutrafin Nitrite 0.0 to 3.3 Mg/L for Fresh and Saltwater, 75 -Tests 192551217690 Time Setting 60 sec

Time Setting 60 sec

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Nutrafin Nitrite 0.0 to 3.3 Mg/L for Fresh and Saltwater, 75 -Tests 192551217690 Time Setting 60 secSuitable for freshwater or marine aquariums to determine nitrate level (0. 0 3. 3 Mg L) Best used with Biological Aquarium Supplement, Nutrafin Cycle to determinenitrate level (0. 0 3. 3 Mg L) Essential in monitoring your tanks water quality Nitrite should be tested on a weekly basis as it is a toxic and potentially lethal nitrogen compound for fish Easy to follow directions; Contains 75 Tests Nutrafin Nitrite Fresh & Marine Aquarium Test Kit comes