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- HR Total Hardness (50 tests)
Make sure your Ozone levels are where you want them to be
Currently for Marine water testing only
30 ppm (mg/L)
WaterWorks™ Chromium Low Range (Pocket-Pack) Dilution - HR Total Hardness (50The WaterWorks Low Range Chromium incorporates the patented eXact reagent delivery system created by Industrial Test Systems, Inc. which is ideal for technical and non technical users. By dipping the strip into the vial, the exact amount of reagent is released into the water causing a change in color or turbidity. The change is measured by comparing the colored water in the vial to a color chart giving the user fast and accurate results. NEW TEST
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