System Finder
Build a treatment shortlist from source, concern, and scope.
Find a system
Free homeowner utilities
Water Planning Tools
Turn raw numbers into decisions: compare system costs, convert hardness, forecast replacements, and estimate bottled-water spending.
Treatment Cost Calculator
Estimate installed and multi-year ownership ranges.
Estimate costHardness Converter
Convert mg/L, ppm, and grains per gallon with a USGS classification.
Convert hardnessReplacement Cost Planner
Forecast filters, membranes, lamps, media, service, and shipping.
Plan replacementsBottled Water Savings
Compare current bottled-water spending with a treatment investment.
Calculate savingsTesting Plan
Choose the right starting evidence for city water or a private well.
Build the plan