💧🧪📈

#water quality analysis #water chemistry #water hardness test #mineral content calculation #water testing results #chemical analysis

💧🦠🔬

#aquatic microbiology #water microorganisms #microbial ecology #water quality analysis #plankton study

💧🧪🔬📉/💧🧪🔬📈

#water quality analysis #nitrate measurement #laboratory water test #environmental testing #concentration check #water safety level #scientific water test