High Range, 0-400mg/L Chloride
1 Fill the plastic measuring tube full with the water that is to be tested. Pour it into the mixing bottle.
2 Add the contents of one Chloride 2 Indicator Powder Pillow. Swirl to mix as shown in Figure 1.
3 Add the Silver Nitrate Titrant drop by drop to the water in the mixing bottle. Hold the dropper in a vertical position and swirl the bottle to mix after each drop is added. Count each drop as it is added until the water changes from yellow to orange in color. (An orange- red, rust color indicates the end point has been exceeded.)

WARNING: The chemicals in this kit may be hazardous to the health and safety of the user if
inappropriately handled. Please read all warnings before performing the test and use appropriate safety equipment.

4 To obtain the chloride content of the water in mg/L as Cl multiply the number of drops that were added by 20.
5 To express the results as mg/L sodium chloride (NaCl), multiply the mg/L chloride found in the test by 1.6.

Low Range, 0-100mg/L Chloride

2 Add the contents of one Chloride 2 Indicator Powder Pillow. Swirl to mix as shown in Figure 1.
3 Add the Silver Nitrate Titrant drop by drop to the water in the mixing bottle. Hold the dropper in a vertical position and swirl the bottle to mix after each drop is added. Count each drop as it is added until the water changes from yellow to orange in color. (An orange- red, rust color indicates the end point has been exceeded.)

4 To obtain the chloride content of the water in mg/L as Cl multiply the number of drops that were added by 20.
5 To express the results as mg/L sodium chloride (NaCl), multiply the mg/L chloride found in the test by 1.6.