What you might be noticing
- White spotting that returns after cleaning
- Scale around fixtures
- An existing softener with uncertain performance
What to establish before buying
- Where was the sample collected: before or after treatment?
- What hardness result and units are on the report?
- How many fixtures are likely to run together?
A mistake worth avoiding
A high advertised grain capacity is not a complete design. Request usable capacity at the proposed settings and the required service flow.