It can test nature aquarium of reef tank. An aquarium's happy life stars from here. Nitrate is the final product of bacteria's decomposition of protein. It is also theproduct of nitrifying bacteria's oxidation of NH3, NO2. the resource of NO3 isfish's excreta, residual food, and dead fish. NO3 is also the nutrient resourcelf algae. When NO3 level is too high, it will result in overgrowth of algae. Meanwhile,it will influence fish's health when living in high NO2 surroundings.it also will restrain water plant's absorption of Ca, Ma and Fe, and cause Malnutritionof water plants. Therefore NO3 had better be maintained below 5mg/l in aquariums.NO3 test kitContents:1x2g test reagent1x22ml test reagent1x22ml test reagentTest vialColor scaleInstructions & Recommendations

NO3 test kit