KIT TOTAL HARDNESS ANALYSIS TEST
- Rinse the test tube with the testing water
- Empty completely
- Add 10ml = Lower meniscus
- Add 2 drops of A
- Mix
- Add B drop by drop from a vertical position and mix after each position and mix after each addition
- The number of drops B till it changes to blue equals the hardness in dH
Kit contains
- 1 bottle of 15ml x A
- 1 bottle of 30ml x B
Formulation:
NH4CL/NH4OH/C6H15NO35/C2
H5OH/H4CINO/C20H12N3O7S
Nanoconcetration +- 5% NH4OH