Dcal Demokit | Hard Water Tester for 1 Litre Water | - Product Features
- 1 Fill two separate containers with 1 liter of bore water each.
- 2 In one of the containers, suspend a demokit similar to a dip tea.
- 3 Boil the water in both containers for 10 minutes and allow it to cool.
- 4 Observe and compare the variation in calcium buildup.