Application: for photometric pH measurement.

Storage: store in a cool place. Keep sealed and protected from contamination.

MEASUREMENT PROCEDURE:

1. Fill the photometer cuvette with 10 ml of water sample.
2. Fill the photometer with 10 ml of water.
3. ZERO (zero). Add 3 drops of pH reagent to the sample.
4. Start the free active chlorine measurement on the photometer and read the result.