eXact Micro Nitrite 50 Test Strips- INCL. 12 PK The eXact Strip Micro Nitrite incorporates the patented eXact reagent delivery system created by , 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. Not for use with eXact iDip 570 Smart Photometer
