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| Summary: | This test measures the total hardness as grains per gallon of Calcium Carbonate. Uses the drop count method. |
| Instructions: | 1. Fill the vial with 20 ml of water. |
| 2. Add 1 spoonful of Hardness Powder. Mix until a uniform color appears | |
| Note: If the water is not blue then hardness is present. | |
| 3. Add Hardness Titrant one drop at a time while mixing until water becomes blue. | |
| THE NUMBER OF DROPS OF HARDNESS TITRANT = THE GRAINS PER GALLON (gpg) OF TOTAL HARDNESS. | |
| Includes: | Snap cap vial of Hardness Powder with spoon |
| 1 oz bottle of Hardness Titrant | |
| Clear plastic vial with cap | |
| Acrylic jewel case & instructions | |
| # of Tests: | approximately 25 tests |
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