Home Water Testing: What to Test Before Buying Equipment
A practical testing sequence for city water and private wells, plus how to avoid sales-driven “free tests.”
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Testing-first library
Water Treatment Guides
Plain-English decision support for testing, costs, technologies, and proposals—written to help you ask better questions before you buy.
Whole-House Water Filter Cost: Equipment, Labor & Maintenance
Estimate installed and ongoing costs without confusing product price with the total project budget.
Read guideReverse Osmosis System Cost: Under-Sink vs. Whole-House
Compare point-of-use and whole-house RO, including installation, filters, membranes, and reject water.
Read guideWater Softener Cost: Sizing, Installation & Annual Salt
Understand capacity, plumbing requirements, operating cost, and what drives a quote higher.
Read guideWater Softener vs. Water Filter: They Solve Different Problems
Use symptoms and test data to decide whether you need softening, filtration, or both.
Read guideCity Water vs. Well Water: Different Testing and Treatment Plans
Start with the right source information and avoid a one-size-fits-all treatment recommendation.
Read guideChoosing a Water Filter for Lead: Certification Matters
How to verify an exact lead-reduction claim and why “carbon filter” alone is not enough information.
Read guidePFAS Water Filter Guide: Test, Verify, Maintain
A disciplined way to evaluate certified reduction claims, capacity, maintenance, and point-of-use scope.
Read guideIron in Well Water: Testing, Treatment & Cost Questions
Why iron form, concentration, pH, flow, and manganese matter before equipment is selected.
Read guideRotten-Egg Smell in Water: Source Checks Before Treatment
Separate source-water, plumbing, and water-heater causes before purchasing whole-house treatment.
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