Water Quality Specification
Under no circumstances should the high pressure device be supplied with water from open water, from the sea or fully demineralized water.
Basically, the water supplied should be of drinking water quality and have as little air as possible. Also make sure that the water has few floating parts.
You can check this with a simple test:
- Take a water sample in the glass
- Check after a few hours of standing whether floating parts have settled on the glass bottom