This kit tests for nitrate and phosphate in water using the LRC Comparator. Range/sensitivity is 0.2, 0.4, 0.6, 1.0 ppm NO3–N; 0.2, 0.4, 0.6, 1.0 ppm PO43–.
This Salinity kit test for salinity using the Direct Reading Titrator method. Range and sensitivity is 0-40 ppt/0.4 ppt Salinity.
Chemically treated paper strips change to indicate sanitizer level. Strips and color chart are packaged in a waterproof plastic vial. 2951 is specifically formulated to read all types of QAC.