Erun Environmental Protection Bromide Content Water Quality Tester special reagents, one set contains 3 liquids and 1 solid, the solid is diluted with distilled water before use. One set of reagents can be used 50 times, and is sealed and stored at room temperature and away from light.
Erun Environmental Protection Nitrite Content Water Quality Tester special reagent, one set contains 1 liquid and 1 solid, the solid is diluted with distilled water before use. One set of reagents can be used 100 times, and is stored in a sealed container at room temperature and away from light.
Erun Environmental Protection Nitrate Content Water Quality Tester special reagents, one set contains 1 liquid and 2 solids, the solids are diluted with distilled water before use. One set of reagents can be used 100 times, and is sealed and stored at room temperature and away from light.
