Price history on Walmart.com for
Industrial Test Systems eXact 486606 Micro Manganese Reagent Strips 0.03-1.5 ppm Detection Range (Bottle of 24)
See on WalmartProduct info
For use with eXact Photometers the eXact Strip Micro Manganese 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 eXact strip into a photometer cell the exact amount of reagent is released into the water causing a change in color or turbidity. The change is measured by an eXact photometer giving the user fast and accurate results. Each unit consists of a kit containing 24 Mn Strip 1 24 Mn Strip 2 and dropper bottle with liquid reagent for 24 tests.
... read more.