#514 City Water Profile Rust Testing staining from natural sources or old plumbing.
Each water sample is tested for this Set of Parameters: pH, Alkalinity, Water Hardness, Iron+2, Free Chlorine and Total Chlorine (6 tests on each water sample).
Safe Fast Educational Fun.
Good experiment for a first time science project. Testing only takes a few minutes per sample.
More detailed information about this kit: #514 City Water Profile Rust Testing Kits.
Basic water related reference information at: sciencefairwater.com Water Basics 101 (a web work in progress).