High Range Hardness Chemkey® Reagents (box of 25)

Avoid the hassle by avoiding titrations with our easy to use colorimetric Hardness Chemkey. The Hach SL1000/SL250 Portable Parallel Analyzer (PPA) performs the same tests with less than half the manual steps. Get highly accurate results, with less opportunity for errors, in a fraction of the time. Up to six parameters, tested in parallel. The SL1000/SL250 is a portable colorimeter that provides faster testing by using Chemkey reagents instead of powder pillows. All chemicals and processes are entirely contained inside the Chemkey.
High Range Hardness Chemkeys, range 90 - 750 mg/L CaCO₃. For SL1000/SL250 Portable Parallel Analyzer (PPA).