These tools are planning aids. They do not replace utility guidance, certified lab testing, or professional advice.
Water Hardness Converter
Convert ppm or mg/L to grains per gallon so utility values are easier to compare.
Softener Sizing Calculator
Estimate a rough planning range before testing your water or talking to an installer.
Water Test Checklist
Work through symptoms, household risk factors, and when a lab test is worth it.
Water Quality Lookup
Start with provider context, city profiles, and official report links.